(1) Takuya KUWAHARA, "Fluid Engineering with OMOTENASHI Spirit for the Environment", Report of Researches, Nippon, Institute of Technology, Vol.43, No.4, Nippon Institute of Technology, pp.765-768, Feburary 2014 (in Japanese).

(2) Takuya KUWAHARA and Edward Kai NEGISHI , "Energy-Saving Type of Nonthermal Plasma Sterilization System Using Electrolysis of Water ", Report of Researches Nippon, Institute of Technology, Vol.45, No.2, Nippon Institute of Technology, pp.25-28, September 2015 (in Japanese).

(3) Yasunori TANAKA, Nozomi TAKEUCHI, Ryuta ICHIKI and Takuya KUWAHARA, "Recent Activities of Technical Committee on Plasma Science and Technology", IEEJ Transactions on Fundamentals and Materials, Vol.136, No.1, The Institute of Electrical Engineers of Japan, pp.16-17, January 2016 (in Japanese).

(4) Takuya KUWAHARA and Yo HOSODA, "Analysis on Fundamental Characteristics of Low Environmental Load Energy Conversion System Using Functional Fluid", Report of Researches, Nippon, Institute of Technology, Vol.45, No.4, Nippon Institute of Technology, pp.11-12, Feburary 2016 (in Japanese).

(5) Yasunori TANAKA, Nozomi TAKEUCHI, Ryuta ICHIKI and Takuya KUWAHARA, "Recent Activities of Technical Committee on Plasma Science and Technology", IEEJ Transactions on Fundamentals and Materials, Vol.137, No.1, The Institute of Electrical Engineers of Japan, pp.8-9, January 2017 (in Japanese).

(6) Takuya KUWAHARA, "Analysis on Fundamental Characteristics of Low Environmental Load Energy Conversion System Using Functional Fluid (The 2nd report)", Report of Researches, Nippon, Institute of Technology, Vol.46, No.4, Nippon Institute of Technology, pp.9-10, Feburary 2017 (in Japanese).

(7) Takuya KUWAHARA, "Analysis on Fundamental Characteristics of Low Environmental Load Energy Conversion System Using Functional Fluid (The 3rd report)", Report of Researches, Nippon, Institute of Technology, Vol.47, No.4, Nippon Institute of Technology, pp.-, Feburary 2018 (in Japanese).

(8) Tatsuru SHIRAFUJI, Nozomi TAKEUCHI, Ryuta ICHIKI and Takuya KUWAHARA, "Recent Progress in Plasma Technology", IEEJ Transactions on Fundamentals and Materials, Vol.138, No.1, The Institute of Electrical Engineers of Japan, pp.8-9, January 2018 (in Japanese).

(9) Takuya KUWAHARA and Shinsuke ASAKO, "Development of Magnetic Fluid Filter Using Spiking Phenomenon for Diesel Particulates", Report of Researches, Nippon, Institute of Technology, Vol.47, No.4, Nippon Institute of Technology, pp.-, Feburary 2018 (in Japanese).