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  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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
  45. 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
  46. 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
  47. 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
  48. 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
  49. 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
  50. 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
  51. 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
  52. 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
  53. 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
  54. 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
  55. 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
  56. 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
  57. 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
  58. 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
  59. 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
  60. 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
  61. 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
  62. 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
  63. 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
  64. 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
  65. 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
  66. 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
  67. 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
  68. 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
  69. 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
  70. 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
  71. 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
  72. 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
  73. 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
  74. 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
  75. 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
  76. 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
  77. 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
  78. 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
  79. 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
  80. 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
  81. 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
  82. 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
  83. 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
  84. 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
  85. 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
  86. 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
  87. 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
  88. 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
  89. 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
  90. 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
  91. 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
  92. 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
  93. 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
  94. 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
  95. 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
  96. 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
  97. 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
  98. 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
  99. 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
  100. 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
  101. 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
  102. 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
  103. 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
  104. 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
  105. 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)
  106. 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
  107. 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
  108. 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
  109. 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