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  1. D. Tashima, K. Ito, “Study of Electrostatic Precipitator in Large Scale Carbonizing Furnaces”, The 17th International Conference on Electrostatic Precipitation, No.PS_8, p.99, 2024年10月29日
  2. (Invited)D. Tashima, T. Eguchi, S. Kumagai, T. Tsubota, J. D. W. Madden, “Marine Plastic Waste-Based Supercapacitors for Saving Remote Island”, Pacific Rim Meeting on Electrochemical and Solid State Science 2024, No.A06-0757, 2024年10月10日
  3. R. Osae, D. Tashima, “Power Density of a Magnesium Air Fuel Cell with Titanium Dioxide Added to Activated Carbon Derived from Marine Plastic Waste”, Pacific Rim Meeting on Electrochemical and Solid State Science 2024, No.Z01-4502, 2024年10月8日
  4. S. Kobayashi, Y. Nishiyama, D. Tashima, “Effect of Surface Functional Groups on Polymer-Derived Activated Carbon in Aqueous Electrolyte for Supercapacitors”, Pacific Rim Meeting on Electrochemical and Solid State Science 2024, No.Z01-4465, 2024年10月8日
  5. T. Sano, D. Tashima, “Fabrication of Hybrid Capacitor Electrodes Using Japanese Distilled Liquor Waste and Waste Paint”, Pacific Rim Meeting on Electrochemical and Solid State Science 2024, No.Z01-4519, 2024年10月8日
  6. R. Matsuda, M. Imamura, D. Tashima, “Enhanced Spin-Thermoelectric Generation in Generators Incorporating Liquid Phase Epitaxial Bi-Substituted Yttrium Iron Garnet Films for Constructing an Energy Storage System Combined with Supercapacitors”, Pacific Rim Meeting on Electrochemical and Solid State Science 2024, No.Z01-4483, 2024年10月8日
  7. R. Osae, D. Tashima, “Dependence on Power Density with Different Enclosure Sizes of Magnesium Air Fuel Cells Made from Marine Plastic Waste”, The International Council on Electrical Engineering Conference 2024(Kitakyushu International Conference Center, Japan), No.P-011, 2024年7月1日
  8. C. Karikita, D. Tashima, M. Sakurai, N. Inaba, “Actual driving test of a hybrid vehicle using a recycled battery unit”, The International Council on Electrical Engineering Conference 2024(Kitakyushu International Conference Center, Japan), No.P-060, 2024年7月2日
  9. S. Kobayashi, A. Izaki, K. Uno, R. Okawa, D. Miyagawa, D. Tashima, “A Study on Carbide Generation Using CO2 Laser”, The International Council on Electrical Engineering Conference 2024(Kitakyushu International Conference Center, Japan), No.P-121, 2024年7月3日
  10. T. Sano, D. Tashima, Y. Nishiyama, “Investigation of Increasing Capacitance of Electric Double Layer Capacitors (EDLC) Using Organic Electrolyte with Basic Surface Functional Groups”, The International Council on Electrical Engineering Conference 2024(Kitakyushu International Conference Center, Japan), No.P-034, 2024年7月2日
  11. M. Nonaka, K. Takayama, D. Tashima, “A Study on Fluctuation Absorption of Electric Double Layer Capacitor in Remote Island Power System”, The International Council on Electrical Engineering Conference 2024(Kitakyushu International Conference Center, Japan), No.P-072, 2024年7月2日
  12. R. Matsuda, R. Shimonoma, M. Imamura, D. Tashima, “Improved Spin-Thermoelectric Characteristics of Insulator-Based Generator Fabricated from LPE Bi-Substituted YIG Films”, The International Council on Electrical Engineering Conference 2024(Kitakyushu International Conference Center, Japan), No.P-091, 2024年7月3日
  13. Y. Akiyoshi, K. Yamaji，D. Tashima，R. Kubota，K. Ohyama, T. Tsuda, “Proposal for a Variable Flux Motor with a Field Winding”, The International Council on Electrical Engineering Conference 2024(Kitakyushu International Conference Center, Japan), No.P-077, 2024年7月2日
  14. T. Naganuma, R. Chiba, K. Watanabe, T. Eguchi, D. Tashima, S. Kumagai, “Electric Double-layer Capacitor Electrodes Using Kenaf Residue-derived Carbonaceous Conductive Agent”, The International Council on Electrical Engineering Conference 2024(Kitakyushu International Conference Center, Japan), No.P-055, 2024年7月2日
  15. M. Imamura, R. Matsuda, D. Tashima, J. Kitagawa, and H. Asada, "Characteristics of Spin-Thermoelectric Generation in the Generators Incorporating Liquid Phase Epitaxial Bi-Substituted Yttrium Iron Garnet Films under a Large Temperature Gradient", International Conference on Magnetism 2024 (Bologna, Italy), July 01-05, 2024
  16. D. Tashima, T. Ryu, “Flexible Supercapacitors with Polymer-gel Electrolytes”, 7th International Conference on Advanced Capacitors, No.1-IL-7, 2023年9月26日
  17. D. Tashima, T. Ryu, “Supercapacitors with Polymer Electrolyte and Shochu Waste as Carbon Electrode”, The 3rd IEEE International Conference on Industrial Electronics for Sustainable Energy Systems 2023, No. IESES23-000029, 2023年7月26日
  18. T. Ryu, D. Tashima, “Electrical characteristics of supercapacitors using KOH gel”, The International Council on Electrical Engineering Conference 2023(The University of Hong Kong, Hong Kong), No.ICEE2023JY-053, 2023年7月5日
  19. A. Izaki, D. Tashima, “Performance Evaluation of Shochu Waste Activated Carbon Made by Microwave Activation”, The International Council on Electrical Engineering Conference 2023(The University of Hong Kong, Hong Kong), No.ICEE2023JY-030, 2023年7月4日
  20. K. Ito, D. Tashima, “Development of an electric dust collector as a countermeasure against dust in a carbonizing furnace”, The International Council on Electrical Engineering Conference 2023(The University of Hong Kong, Hong Kong), No.ICEE2023JY-075, 2023年7月4日
  21. M. Otsuka, N. Ogushi, D. Tashima, K. Hasegawa, H. Iwasaki, J. Arima, “Investigation of sulfation deterioration suppression for lead-acid batteries”, The International Council on Electrical Engineering Conference 2023(The University of Hong Kong, Hong Kong), No.ICEE2023JY-051, 2023年7月4日
  22. R. Osae, K. Ide, D. Tashima, “Fabrication of electrode material for magnesium air fuel cell using marine plastic waste”, The International Council on Electrical Engineering Conference 2023(The University of Hong Kong, Hong Kong), No.ICEE2023JY-050, 2023年7月4日
  23. C. Karikita, D. Tashima, M. Sakurai, N. Inaba, “Memory effect and driving test of nickel metal hydride batteries”, The International Council on Electrical Engineering Conference 2023(The University of Hong Kong, Hong Kong), No.ICEE2023JY-063, 2023年7月4日
  24. S. Kobayashi, T. Ryu, D. Tashima, “Investigation of plastic and paper mixed film as electrode material for electric double-layer capacitors”, The International Council on Electrical Engineering Conference 2023(The University of Hong Kong, Hong Kong), No.ICEE2023JY-052, 2023年7月4日
  25. T. Sano, T. Ryu, D. Tashima, “Fabrication of Hybrid Capacitor Electrodes Using Shochu Distillation Waste and Waste Paint”, The International Council on Electrical Engineering Conference 2023(The University of Hong Kong, Hong Kong), No.ICEE2023JY-068, 2023年7月4日
  26. M. Nonaka, K. Takayama, D. Tashima, “Study of grid stabilization using electric double layer capacitors in power systems on remote islands”, The International Council on Electrical Engineering Conference 2023(The University of Hong Kong, Hong Kong), No.ICEE2023JY-077, 2023年7月4日
  27. R. Matsuda, Y. Kano, M. Imamura, D. Tashima, “Power Generation Characteristics of Spin Thermoelectric Generator Incorporating Liquid Phase Epitaxial YIG Films”, The International Council on Electrical Engineering Conference 2023(The University of Hong Kong, Hong Kong), No.ICEE2023JY-070, 2023年7月4日
  28. T. Ryu, D. Tashima, T. Kawabata, ”Characteristics of electric double-layer capacitors based on solid polymer electrolyte composed of sodium polyacrylate”, The 5th International Conference on Material Strength and Applied Mechanics(Qingdao, Shandong, China-Online), No.MS1715, 2022年8月21日
  29. K Takayama, D. Tashima, T. Hashiguchi, “Frequency Stabilization Control of Grid Using Electric Double Layer Capacitor in Remote Islands”, The International Council on Electrical Engineering Conference 2022(Seoul, Korea-Online), No.2-0345, 2022年6月28日～7月2日
  30. Y. Kano, T. Kimikado, M.Imamura, D. Tashima, “Spin-thermoelectric Properties of STE Generators Fabricated from LPE Bi-substituted YIG Films”, The International Council on Electrical Engineering Conference 2022(Seoul, Korea-Online), No.3-0189, 2022年6月28日～7月2日
  31. T. Ryu, D. Tashima, T. Kawabata, “Solidification of Electrolyte Using Sodium Polyacrylate and Application to Electric Double Layer Capacitor”, The International Council on Electrical Engineering Conference 2022(Seoul, Korea-Online), No.3-0217, 2022年6月28日～7月2日
  32. K. Ide, D. Tashima, T. Kawabata, “Power Characteristics of a Magnesium Air Fuel Cell Using Shochu Waste Activated Carbon with Different Salinity of Solid Electrolyte”, The International Council on Electrical Engineering Conference 2022(Seoul, Korea-Online), No.3-0231, 2022年6月28日～7月2日
  33. K. Ito, D. Tashima, “Development of Electrostatic Precipitator as a Measure Against Soot and Dust in Carbonizing Furnace”, The International Council on Electrical Engineering Conference 2022(Seoul, Korea-Online), No.3-0402, 2022年6月28日～7月2日
  34. K. Yamaji, D. Tashima, R. Kubota, K. Ohyama, “Basic Characteristics of an Auxiliary Winding Variable Field Motor with a Magnetic Path Parallel to the Rotating Shaft”, The International Council on Electrical Engineering Conference 2022(Seoul, Korea-Online), No.3-0415, 2022年6月28日～7月2日
  35. R. Chatphong, D. Tashima, T. Tsubota, “Preparation of corn stem and leaves activated carbon by chemical activation using KOH for application in electric double-layer capacitor”, International Conference on Sustainable Energy and Green Technology 2019 (Bangkok, Thailand), No.101, 2019年12月13日
  36. T. Tsubota, S. Tsuchiya, D. Kalderis, I. Pashalidis, D. Tashima, “Qualitative assessment of biochar produced from low technology pyrolysis towards multiple applications”, IBI Biochar World Congress (Korea University, Korea), 2019年11月14日
  37. S. Kumagai, Y. Abe, T. Saito, H. Fujiwara, N. Sawa, T. Eguchi, M. Tomioka, M. Kabir, and D. Tashima, “Rice husk-based Cathode and Anode Active Materials of Lithium-ion Capacitor”, 6th International Conference on Advanced Capacitors (Ueda, Japan), No.P-23, 2019年9月11日
  38. T. Eguchi, D. Tashima, M. Fukuma, S. Kumagai, “Electric double-layer capacitance of shōchū waste derived-activated carbons in non-aqueous electrolyte”, 6th International Conference on Advanced Capacitors (Ueda, Japan), No.2O-12, 2019年9月9日
  39. T. Tsubota, K. Ishimoto, K. Hayashi, D. Tashima, “Combination of H3PO4 activation and (KOH or CO2) activation to bamboo residue after hot compressed water treatment and performance as electrode of electric double layer capacitor”, International Congress on Pure & Applied Chemistry 2019 (Yangon, Myanmer), No. IGS 05, p.140, 2019年8月9日
  40. M. Hirano, S. Kitazaki, D. Tashima, “Solution-plasma treatment on the surface of activated carbon electrodes made from Shochu waste”, The International Council on Electrical Engineering 2019(The Hong Kong Polytechnic University, Hong Kong), No.ICEE19J-081, 2019年7月5日
  41. R. Chatphong, M. Hirano, T. Eguchi, D. Tashima, “Preparation of corn stem activated carbon by chemical activation using KOH for application in electric double-layer capacitor”, The International Council on Electrical Engineering 2019(The Hong Kong Polytechnic University, Hong Kong), No.ICEE19J-089, 2019年7月4日
  42. R. Nishimura, M. Imamura, H. Asada, D. Tashima, “Thermoelectric Voltage in Longitudinal SSE Elements incorporating LPE YIG and MOD Bi:NIG Magnetic Insulator Films”, The International Council on Electrical Engineering 2019(The Hong Kong Polytechnic University, Hong Kong), No.ICEE19J-072, 2019年7月5日
  43. K. Hayashi, T. Eguchi, D. Tashima, T. Tsubota, S. Kumagai, “Preparation of KOH and CO2 gas two-step activated carbons from shochu waste and performance evaluation”, The International Council on Electrical Engineering 2019(The Hong Kong Polytechnic University, Hong Kong), No.ICEE19J-074, 2019年7月5日
  44. I. Yoshida, D. Tashima, K. Matsuo, “Development of electrode material from soy sauce waste for electric double layer capacitor”, The International Council on Electrical Engineering 2019(The Hong Kong Polytechnic University, Hong Kong), No.ICEE19J-085, 2019年7月5日
  45. R. Oishi, T. Eguchi, D. Tashima, “Preparation of crab shell activated carbon using microwave heating and application to supercapacitorsr”, The International Council on Electrical Engineering 2019(The Hong Kong Polytechnic University, Hong Kong), No.ICEE19J-073, 2019年7月5日
  46. T. Eguchi, D. Tashima, M. Fukuma, S. Kumagai, “Optimization of an electrode thickness of flexible supercapacitors using activated carbons derived from shochu waste”, 7th International Conference on Renewable Energy Research and Application(Paris, France), No.47, p.160-163, 2018年10月17日
  47. T. Eguchi, M. Rajesh, D. Tashima, M. Fukuma, S. Kumagai, “Shochu waste-derived porous carbons for flexible supercapacitors; and a comparison study with commercial carbons”, The 5th International Conference on Nanomechanics and Nanocomposites(Fukuoka Institute of Technology, Fukuoka), No.23-PS-01, p.92, 2018年8月23日
  48. T. Kumamoto, D. Tashima, M. Fukuma, S. Kumagai, “Influence of urea treatment on the production of shochu waste-based activated carbon”, The International Conference on Electrical Engineering 2018(Seoul, Korea), No. G3-1439, 2018年6月27日
  49. T. Eguchi, R. Madhu, D. Tashima, M. Fukuma, S. Kumagai, “Characteristics of an electric double-layer capacitor using an activated carbon electrode synthesized from organic waste”, The International Conference on Electrical Engineering 2018(Seoul, Korea), No. G3-1527, 2018年6月27日
  50. M. Hirano, T. Eguchi, S. Kitazaki, D. Tashima, “Oxygen-plasma treatment on the surface of activated-carbon electrode made from shochu waste”, The International Conference on Electrical Engineering 2018(Seoul, Korea), No. G3-1633, 2018年6月27日
  51. D. Tashima, T. Eguchi, T. Kumamoto, M. Fukuma, S. Kumagai, “Promising high surface areas and high conductivity of nanostructured shochu waste carbon for supercapacitors”, 5th Nano today conference(Hawaii, USA), No.P6.20, 2017年12月8日
  52. M. Hatomi, M. Kabir, D. Tashima, S. Kumagai, “Electric Double-layer Capacitors Using Different Types of Ionic Liquid Electrolytes”, The Eighth International Conference on MaterialsEngineering for Resources(Akita, Japan), No.AP-28, pp.310-313, 2017年10月27日
  53. S. Kumagai, T. Watanabe, H. Fujiwara, M. Hatomi, T. Saito, Y. Abe, M. Kabir, D. Tashima, “Lithium-ion Capacitor Using Active Materials Produced from Rice Husk”, The Eighth International Conference on MaterialsEngineering for Resources(Akita, Japan), No.AP-29, pp.314-316, 2017年10月27日
  54. H. Fujiwara, T. Saito, Y. Abe, M. Kabir, D. Tashima, S. Kumagai, “Rice Husk-derived Anode Material of Lithium-ion Capacitor”, The Eighth International Conference on MaterialsEngineering for Resources(Akita, Japan), No.AP-31, pp.320-322, 2017年10月27日
  55. D. Tashima, M. Fukuma, S. Kumagai, “Carbon materials derived from Shochu waste application for electric double layer capacitors”, The International Conference on Electrical Engineering 2016(Okinawa, Japan), No.90012, 2016年7月6日
  56. S. Kumagai, K. Mukaiyachi, D. Tashima, “Capacitive Performance of Mesoporous Activated Carbon in Neat and Diluted Ionic Liquid”, The International Conference on Electrical Engineering 2016(Okinawa, Japan), No.90246, 2016年7月4日
  57. M. Hatomi, S. Kumagai, D. Tashima, “Effect of State of Charge on Capacitive Performance of Mesoporous Activated Carbon in Ionic Liquid”, The International Conference on Electrical Engineering 2016(Okinawa, Japan), No.90248, 2016年7月4日
  58. S. Kumagai, D. Tashima, “Electrical Double-layer Capacitance of Activated Carbon Powders with Different Coating Thicknesses”, The 5th International Conference on Characterization and Control of Interfaces for High Quality Advanced Materials(Kurashiki, Japan), No.DP-03, 2015年7月7-10日
  59. T. Ishitsu, D. Tashima, N. Hayashi, “Improvement of Output Characteristic of Thermoelectric Generation System by Using a Diode Bypass Circuit”, The International Conference on Electrical Engineering (Hong Kong), No.ICEE15A-186, 2015年7月7日
  60. T. Ishikawa, D. Tashima, N. Hayashi, “Influence of Operation Modes of a Cooling Pump on Thermal and Electrical Properties of Thermoelectric Generator System”, The International Conference on Electrical Engineering (Hong Kong), No.ICEE15A-192, 2015年7月7日
  61. T. Sakoda and D. Tashima, “Observation of Creeping Flashover on ZnO element”, 9th Asia-Pacific International Conference on Lightning(Aichi, Japan), No.1057, pp.693-696, 2015年6月26日
  62. M. Oku, D. Tashima, T. Sakoda, N. Hayashi, “The basic characteristic of heat and electricity combined generation system using biomass fuel”, International Conference on Renewable Energy Research and Applications 2014(Milwaukee, USA), No.67, 2014年10月21日
  63. M. Oku, D. Tashima, T. Sakoda, N. Hayashi, “Compensation of output power characteristics of a partly-malfunctioned thermoelectric generator system by using a diode bypass circuit”, International Conference on Electrical Engineering 2014(Jeju, Korea), No.SRP-1042, pp.384-389, 2014年6月16日
  64. S. Kumagai, K. Mukaiyachi, M. Sato , N. Kamikuri, D. Tashima, “Roles of pore structure and type of electrolyte on the capacitive performance of activated carbons used as electrical double-layer capacitors”, 7th International Symposium on Electrical Insulating Materials (Niigata, Japan), No.J1, pp.511-514, 2014年6月5日
  65. D. Tashima, N. Kamikuri, Y. Hamasuna, M. Fukuma, S. Kumagai, and J. D. W. Madden, “Low-cost activated carbon materials produced from used coffee grounds for electric double-layer capacitors, 8th International Conference on Reactive Plasmas/31st Symposium on Plasma Processing(Fukuoka, Japan), No. 6B-PM-O6, 2014年2月6日
  66. H. Yoshitama, A. Haruta, D. Tashima, T. Sakoda, N. Hayashi, “Study on deterioration factors of an electric double-layer capacitor”, International Symposium on EcoTopia Science 2013 (Nagoya, Japan), No. P-3-23, 2013年12月14日
  67. R. Furusawa, N. Fujii, A. Tomishima, D. Tashima, “Impedance analysis of the deterioration of the membrane electrode assembly in a proton-exchange membrane fuel cell after 10000 cycles”, 9th International Symposia on Electrochemical Impedance Spectroscopy(Okinawa, Japan), No.P01-15, 2013年6月18日
  68. D. Tashima, Y. Hamasuna, N. Kamikuri, D. Mishima, M. Fukuma, S. Kumagai, J. D. Madden, “Surface morphology and gravimetric capacitance of micro-porous activated carbon derived from waste coffee grounds”, 3rd International Symposium on Enhanced Electrochemical Capacitors(Taormina, Italy), No.O-46, p.80, 2013年6月7日
  69. A. Haruta, H. Yoshitama, D. Tashima, T. Kawaji, H. Toyama, “Surface analysis of deteriorated porous carbon electrode for electric double-layer capacitors”, The 2013 International Conference on Advanced Capacitors(Osaka, Japan), No.2P-05, 2013年5月28日
  70. T. Kishita, D. Tashima, S. Maeno, Y. Nagasawa, “Meso Porous Carbon Black Application for Electric Double-layer Capacitors”, 17th International Symposium on Intercalation Compounds(Sendai, Japan), No.PI-17, p.73, 2013年5月13日
  71. N. Kamikuri, Y. Hamasuna, D. Mishima, D. Tashima, S. Kumagai, M. Fukuma, “Coffee Grounds Activated Carbon Materials for Electric Double-layer Capacitors”, 17th International Symposium on Intercalation Compounds(Sendai, Japan), No.PI-16, p.72, 2013年5月13日
  72. N. Fujii, R. Furusawa, Y. Urakawa, A. Tomishima, D. Tashima, “Preparing Catalyst Layer for Proton Exchange Membrane Fuel Cells Using Spraying Technique”, 17th International Symposium on Intercalation Compounds(Sendai, Japan), No.PI-19, p.74, 2013年5月13日
  73. S. Kumagai, Y. Miura, M. Sato, N. Kamikuri, Y. Hamasuna, D. Mishima, D. Tashima, “Materials Properties and Electrochemical Performance of Micro- and Mesoporous Activated Carbon Produced from Agricultural Waste of Rice Husk”, 17th International Symposium on Intercalation Compounds(Sendai, Japan), No.PI-61, p.95, 2013年5月13日
  74. T. Momiki, M. Taguchi, A. Haruta, D. Tashima, “Preparation of polarized electrode of an electric double layer capacitor using a spray pyrolysis technique”, The 5th Szeged International Workshop on Advances in Nanoscience(Szeged, Hungary), No.P071, pp.160-161, 2012年10月25日
  75. M. Taguchi, T. Momiki, A. Haruta, D. Tashima, “Study on deterioration factors of cylindrical electric double-layer capacitor cell”, The 5th Szeged International Workshop on Advances in Nanoscience(Szeged, Hungary), No.P089, pp.179-180, 2012年10月25日
  76. D. Mishima, Y. Hamasuna, D. Tashima, S. Kumagai, J. D. Madden, “Electrochemical Properties of Nanocarbon Produced from Organic Waste and its Application in Electric Double-Layer Capacitor”, Pacific Rim Meeting on Electrochemical and Solid-State Science (Honolulu, Hawaii, USA), No.84, 2012年10月8日
  77. H. Yoshitama, Y. Tanaka, D. Tashima, “Analysis of Carbon Electrode and Organic Electrolyte of Electric Double Layer Capacitors after Aging Test”, Pacific Rim Meeting on Electrochemical and Solid-State Science (Honolulu, Hawaii, USA), No.3, 2012年10月8日
  78. A. Haruta, Y. Suenaga, D. Tashima, T. Kawaji, H. Toyama, “Study on Deterioration of Electric Double-Layer Capacitor Cells”, Pacific Rim Meeting on Electrochemical and Solid-State Science (Honolulu, Hawaii, USA), No.142, 2012年10月8日
  79. Y. Urakawa, A. Tomishima, Y. Suenaga, D. Tashima, “Characteristics of proton exchange membrane fuel cell using uniformly dispersed platinum nanoparticles”, The International Conference on Electrical Engineering (Kanazawa, Japan), No.P-FS2-3, 2012年7月11日
  80. Y. Hamasuna, D. Mishima, D. Tashima, S. Kumagai and M. Fukuma, “Manufacture and Characteristics of Carbon Material from Waste Coffee Grounds and Application for an Electric Double Layer Capacitor”, The International Conference on Electrical Engineering (Kanazawa, Japan), No.P-EM-9, 2012年7月10日
  81. S. Otsuka, Y. Nagasawa , S. Maeno, D. Tashima, M. Otsubo, “Application of Ketjen Black as conductive material for Electric Double Layer Capacitor”, International Association of Colloid and Interface Scientists, Conference(Sendai, Japan), No.S5P16-10, 2012年5月16日
  82. T. Kato, T. Miyake, D. Tashima, T. Sakoda, M. Otsubo, M. Hombu, “Simulation of Maximum Output Power Control using Short-Circuit Current and Open-Circuit Voltage of a Solar Cell”, The 21st International Photovoltaic Science and Engineering Conference(Fukuoka, Japan), No. 3D-6P-03, 2011年11月30日
  83. D. Tashima, R. Hirakawa, T. Sakoda and M. Otsubo, “Electrochemical Capacitances of Carbon Powder Treated with Dielectric Barrier Discharge”, IEEE Conference on Electrical Insulation And Dielectric Phenomena(Cancun, Mexico), No.2B-4, pp.109-112, 2011年10月17日
  84. D. Mishima, Y. Hamasuna, T. Kishita, D. Tashima, M. Otsubo and S. Kumagai, “Electrical Properties of Nano Carbon Produced from Organic Waste”, IEEE Conference on Electrical Insulation And Dielectric Phenomena(Cancun, Mexico), No.2B-3, pp.113-116, 2011年10月17日
  85. Y. Suenaga, T. Kishita, D. Tashima, M. Otsubo, T. Kawaji and H. Toyama “Study on deterioration factor of electric double layer capacitor Cell”, The 2011 International Forum on Functional Materials(Jeju, Korea), No.P3-Su-071, p.588, 2011年7月30日
  86. Y. Tanaka, H. Yoshitama, D. Tashima and M. Otsubo, “Study on deterioration mechanism of electric double layer capacitor”, The 2011 International Forum on Functional Materials(Jeju, Korea), No.P1-Fr-028, p.213, 2011年7月28日
  87. Y. Suenaga, Y. Sakaguchi, Y. Urakawa, D. Tashima and M. Otsubo, “Basic consideration of mixture ratio of electrolyte and platinum loaded carbon for proton exchange membrane fuel cell”, 3rd International Symposium on Advanced Plasma Science and its Applications for Nitrides and Nanomaterials(Nagoya, Japan), No.P1-069C, p.89, 2011年3月7日
  88. D. Tashima, Y. Betsumiya, H. Yoshitama, M. Otsubo, S. Maeno and Y. Nagasawa, “Electrical characteristics of double layer capacitor mixing Ketjenblack with surface functional group”, IEEE Conference on Electrical Insulation And Dielectric Phenomena(West Lafayette, USA), No.2B-2, 2010年10月16日
  89. Y. Sakaguchi, H. Hidaka, Y. Suenaga, D. Tashima and M. Otsubo, “Examination of a making method of MEA for reduction of a platinum amount”, 16th International Conference on Electrical Engineering (Busan, Korea), No. PS-RE-05, 2010年7月12日
  90. R. Hirakawa, D. Tashima, H. Yoshitama, T. Sakoda and M. Otsubo, “Consideration of a most suitable time of plasma disposition of activated carbon for electric double layer capacitors”, 16th International Conference on Electrical Engineering (Busan, Korea), No. PS-RE-07, 2010年7月12日
  91. D. Tashima, R. Hirakawa, M. Esaki, T. Sakoda, H. Yoshitama, A. Okazaki, T. Kawaji and M. Otsubo, “Electrochemical characteristics of plasma-treated activated carbon for electric double-layer capacitors”, The 10th Asia-Pacific Conference on Plasma Science and Technology and the 23rd Symposium on Plasma Science for Materials, (Jeju, Korea), No.PP301, pp.482, 2010年7月7日
  92. D. Tashima, Y. Betsumiya, M. Otsubo, S. Maeno and Y. Nagasawa, “Influence for capacitance of EDLC by surface functional group of Ketjenblack as conducting material”, The 2010 International Conference on Advanced Capacitors (Kyoto, Japan), No. P-15, p.201, 2010年6月1日
  93. D. Tashima, Y. Sakaguchi, Y. Suenaga, H. Hidaka and M. Otsubo, “Uniform dispersion of Pt nano particles on carbon for polymer electrolyte fuel cell”, The 7th Asian Conference on Electrochemistry (Kumamoto, Japan), No. 2P-13, p.231, 2010年5月20日
  94. Arati Poudel Nepal, Yoki Asano, Isao Akagi, Daisuke Tashima, Chieko Muranaka, Yasuhiro Sugimoto, “Effect of the different composts on swiss chard growth and soil quality”, International Conference on Soil Fertility and Soil Productivity(Berlin Germany), No.7, 2010年3月18日
  95. H. Hidaka, T. Yaoka, Y. Sakaguchi, D. Tashima, M. Otsubo, “Examination of preparation method of membrane electrode assembly of polymer electrolyte fuel cell and study of the depletion”, IEEE T&D Asia Conference and Exposition 2009, (Seoul, Korea), No.PO3-2, 2009年10月27日
  96. Y. Betsumiya, M. Taniguchi , D. Tashima, M. Otsubo, S. Maeno, Y. Nagasawa, “Influence on capacitance of EDLC by a functional group of a conductive material”, IEEE T&D Asia Conference and Exposition 2009, (Seoul, Korea), No.PO9-3, 2009年10月28日
  97. D. Tashima, Y. Betsumiya, M. Taniguchi, H. Yoshitama, M. Otsubo, S. Maeno, “Capacitance behavior of electric double layer capacitor using nanocomposite electrode”, IEEE Conference on Electrical Insulation And Dielectric Phenomena(Virginia, USA), No.2B-3, 2009年10月19日
  98. D. Tashima, R. Hirakawa, T. Sakoda, H. Yoshitama, M. Otsubo, “Effect on plasma treatment of carbon materials application for electrochemical supercapacitor”, The Seventh Asian-European International Conference on Plasma Surface Engineering, (Busan, Korea), No.PA2003, p.274, 2009年9月23日
  99. D. Tashima, M. Taniguchi, H. Yoshitama, M. Otsubo, “Evaluation of space charge and capacitance of electric double layer capacitor using ionic liquid”, IEEE Conference on Electrical Insulation And Dielectric Phenomena(Quebec city, Canada), No.2B-6, pp.149-152, 2008年10月27日
  100. T. Yaoka, H. Hidaka, D. Tashima, M. Otsubo, “Examination and evaluation of a making method of multi catalyst layered MEA”, RENEWABLE ENERGY 2008, (BEXCO & Nurimaru in Busan, Korea), No.P-PI-004, 2008年10月16日
  101. Y. Betsumiya, M. Esaki, D. Tashima, M. Otsubo, M. Hombu, “Examination of the maximum power point tracking method by boost chopper circuit”, RENEWABLE ENERGY 2008, (BEXCO & Nurimaru in Busan, Korea), No.P-PV-101, 2008年10月16日
  102. H. Sato, Y. Izu, D. Tashima, Y. Kosho, M. Hombu, M. Otsubo, “Modeling of the electric double layer capacitor and fuel cell hybrid system within MATLAB-Simulink”, The International Conference on Electrical Engineering 2008(Okinawa, Japan), No.P-104, 2008年7月8日
  103. M. Taniguchi, D. Tashima, M. Otsubo, “Temperature dependence of capacitance in electrochemical super capacitor”, IEEE Conference on Electrical Insulation And Dielectric Phenomena(Vancouver, BC, Canada), No.5-2, pp.396-399, 2007年10月16日
  104. D. Tashima, M. Taniguchi, M. Otsubo, A. Okazaki, S. Araki, “Thickness dependence of carbon electrode on space charge of electric double layer capacitor”, IEEE Conference on Electrical Insulation And Dielectric Phenomena(Vancouver, BC, Canada), No.5-1, pp.392-395, 2007年10月16日
  105. M. Esaki, M. Taniguchi, T. Hamada, D. Tashima, T. Sakoda, and M. Otsubo, “Effect of surface modification of carbon electrode for electric double layer capacitor using dielectric barrier discharge”, The Sixth Asian-European International Conference on Plasma Surface Engineering (Yasuragi-Ioujima Nagasaki, Japan), No.P2037, p.205, 2007年9月27日
  106. D. Tashima, A. Sakamoto, M. Taniguchi, T. Sakoda, M. Otsubo, “Electrochemical properties of modified carbon electrode for double layer capacitor”, The Sixth Asian-European International Conference on Plasma Surface Engineering (Yasuragi-Ioujima Nagasaki, Japan), No.P2033, p.201, 2007年9月27日
  107. D. Tashima, K. Kurosawatsu, M. Taniguchi, M. Otsubo, C. Honda, “Thermal dependence of space charge in electric double layer capacitor”, 15th International Symposium on High Voltage Engineering (Ljubljana, Slovenia), No.T8-757, p.348, 2007年8月29日
  108. D. Tashima, A. Sakamoto, M. Taniguchi, T. Sakoda, M. Otsubo, “Surface modification of carbon electrode using argon plasma”, The 9th International Symposium on Sputtering and Plasma Process(金沢国際ホテル, 金沢), No.AP P-2, pp.283-286, 2007年6月7日
  109. D. Tashima, K. Kurosawatsu, M. Otsubo, C. Honda, “Relation between space charge and pore size of nano porous electrode for super capacitor”, IEEE Conference on Electrical Insulation And Dielectric Phenomena(Kansas city, Missouri, USA), No.2B-1, pp.125-128, 2006年10月16日
  110. M. Takaoka, K. Inohata, D. Tashima, M. Otsubo and C. Honda, “Development of a hydrogen production system for fuel-cell by using wind turbine generator”, RENEWABLE ENERGY 2006, (幕張メッセ, 千葉), No. P-W-12, 2006年10月11日
  111. T. Miyauchi, Y. Oda, Y. saga, D. Tashima, M. Otsubo and C. Honda, “The simulation of the inner resistance of PEFC and DMFC by using B2SPICE”, RENEWABLE ENERGY 2006, (幕張メッセ, 千葉), No. P-H-16, 2006年10月11日
  112. K. Kurosawatsu, D. Tashima, M. Otsubo and C. Honda, “Characteristics of discharge of electric double layer capacitor on variable thermal condition”, RENEWABLE ENERGY 2006, (幕張メッセ, 千葉), No. P-N-13, 2006年10月12日
  113. D. Tashima, K. Kurosawatsu, Y. M. Sung, M. Otsubo and C. Honda, “Surface modification of carbon electrode for electric double layer capacitors”, Tenth International Conference on Plasma Surface Engineering, (Garmisch - Partenkirchen, Germany), No. po2083, p.376, 2006年9月12日
  114. D. Tashima, K. Kurosawatsu, Y. M. Sung, M. Otsubo and C. Honda, “Surface modification of nano porous materials for electric double layer capacitors application”, 8th Asia-Pacific Conference on Plasma Science and Technology and 19th Symposium on Plasma Science for Materials, (Cairns, the tropical north Queensland, Australia), No.Ⅱ-B, 2006年7月4日
  115. D. Tashima, K. Kurosawatsu, Y. M. Sung, M. Otsubo and C. Honda, “Effect of nitrogen atom doping for electric double layer capacitors application”, 8th International Conference on Properties and Application of Dielectric Materials, (Bali, Indonesia), Vol.2, No.P4-12, pp.908-911, 2006年6月27日
  116. D. Tashima, K. Kurosawatsu, M. Otsubo, Y. M. Sung, C. Honda, “Plasma surface treatment of carbonaceous materials for electric double layer capacitors application”,6th International Conference on Reactive Plasmas and 23rd Symposium on Plasma Processing, (Matsushima, Sendai), No.P-2B-27, pp.545-546, 2006年1月25日
  117. D. Tashima, K. Kurosawatsu, M. Otsubo, Y. M. Sung, C. Honda, “Charge behaviors on electric double layer capacitors obtained by pulsed electro acoustic method”, 2005 Korea-Japan Joint Symposium on Electrical Discharge and High Voltage Engineering (Hanyang University, Ansan, Korea), No.PB-3, pp.183-186, 2005年11月3日
  118. D. Tashima, K. Kurosawatsu, M. Otsubo, Y. M. Sung, C. Honda, “Evaluation of quantity of stored charge in electric double layer capacitor by pulsed electro acoustic method”, IEEE Conference on Electrical Insulation And Dielectric Phenomena(Nashville, Tennessee, USA), No.7B-1, pp.633-636, 2005年10月19日
  119. D. Tashima, K. Kurosawatsu, Y. M. Sung, M. Otsubo, C. Honda, “Space charge behaviors of electric double layer capacitor with nanocomposite electrode”, The fifth Asian-European International Conference on Plasma Surface Engineering(Qingdao city, China), No.WeP204, p.197, 2005年9月14日
  120. D. Tashima, K. Kurosawatsu, Y. M. Sung, M. Otsubo, C. Honda, “Space charge distributions of an electric double layer capacitor with carbon nanotube electrode”, 18th Symposium on Plasma Science for Metals, No.A2-3, p. 21, 2005年6月28日(東京、東京大学)
  121. Y. Hirata, K. Shibata, D. Tashima, T. Bouno, M. Otsubo, C. Honda, “Measurement of load change measures for home fuel cell using electric double layer capacitor”, EXPO World Conference Wind Energy, Renewable Energy, Fuel Cell ＆ Exhibition(静岡、アクトシティー浜松), No.5009, 2005年6月7日
  122. D. Tashima, K. Kurosawatsu, Y. Hirata, M. Otsubo, Y. M. Sung, C. Honda, “Influence of reflection wave on measurement of space charge in electric double layer capacitor”, IEEE International Symposium on Electrical Insulating Materials(福岡,北九州国際会議場), No.P1-13, pp.344-347, 2005年6月8日
  123. D. Tashima, Y. Hirata, M. Otsubo, C. Honda, T. Bouno, “Measurement of internal charge distribution in electric double layer capacitor by PEA method”, IEEE Conference on Electrical Insulation And Dielectric Phenomena(Boulder, Colorado, USA), No.2A-12, pp.89-92, 2004年10月18日
  124. D. Tashima, M. Otsubo, C. Honda, T. Bouno, “Characteristics of charge and discharge of electric double layer capacitor and distribution of inner charge” Proc. of 2003 Japan-Korea Joint Symposium on Electrical Discharge and High Voltage Engineering(Nagasaki), No.P23, pp.309-312, 2003年11月1日