YS

Yasushi Sugawara

Sumitomo Electric Industries: 30 patents #489 of 21,551Top 3%
PA Panasonic: 14 patents #1,670 of 21,108Top 8%
MC Matsushit Electric Industrial Co.: 1 patents #13 of 293Top 5%
MC Mitsubishi Gas Chemical Company: 1 patents #1,048 of 1,727Top 65%
Overall (All Time): #63,234 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 1–25 of 46 patents

Patent #TitleCo-InventorsDate
10326148 Fuel cell gas diffusion layer and method of manufacturing same Takeou Okanishi, Hiroshi Ishikawa, Keiichi Yamamoto, Tsutomu Kawashima, Yoichiro Tsuji +2 more 2019-06-18
10164271 Polymer electrolyte fuel cell with a recess is formed downstream of a gas lead-out port Tomohiro Kuroha, Shinsuke Takeguchi, Satoshi Otani, Mitsuo Yoshimura 2018-12-25
9196910 Fuel cell Masaki Yamauchi, Shinsuke Takeguchi, Yoichiro Tsuji, Hiroki Kusakabe, Takashi Morimoto 2015-11-24
8808939 Fuel cell stack and fuel cell cogeneration system including the same Takahiro Umeda, Soichi Shibata 2014-08-19
8771892 Fuel cell power generation system and operation stop method of the same Eiichi Yasumoto, Takahiro Umeda 2014-07-08
8765314 Fuel cell system and method for stopping operation of fuel cell system Junji Morita, Makoto Uchida, Takayuki Urata, Shinya Kosako, Takahiro Umeda +5 more 2014-07-01
8728674 Fuel cell system with controlled stop process for a shut-down operation Junji Morita, Takahiro Umeda, Eiichi Yasumoto 2014-05-20
8278002 Fuel-cell and fuel cell system including the same Takayuki Urata, Junji Morita, Soichi Shibata, Takahiro Umeda 2012-10-02
8071243 Fuel cell system Takayuki Urata, Takahiro Umeda, Akihiko Yoshida, Soichi Shibata, Junji Morita 2011-12-06
8039154 Fuel cell system, method of starting fuel cell system Junji Morita, Makoto Uchida, Takayuki Urata, Shinya Kosako, Takahiro Umeda +5 more 2011-10-18
8003273 Polymer electrolyte fuel cell and fuel cell sealing member for the same Takayuki Urata, Junji Morita, Soichi Shibata, Takahiro Umeda 2011-08-23
7943261 Method of operating fuel cell system and fuel cell system Yasuo Takebe, Kazuhito Hatoh, Hiroki Kusakabe, Teruhisa Kanbara, Makoto Uchida +2 more 2011-05-17
7691510 Fuel cell system with differential pressure control Soichi Shibata, Takayuki Urata, Takahiro Umeda, Junji Morita, Kazuhito Hatoh +1 more 2010-04-06
7455703 Method for manufacturing polymer electrolyte fuel cell Makoto Uchida, Eiichi Yasumoto, Akihiko Yoshida, Junji Morita, Masao Yamamoto +3 more 2008-11-25
7416807 Polymer electrolyte fuel cell Hideo Ohara, Toshihiro Matsumoto, Soichi Shibata 2008-08-26
7364813 Ink for forming catalyst layer, and electrode and membrane-electrode assembly using the same Junji Morita, Takeshi Yonamine, Yasuo Takebe 2008-04-29
7316860 Polymer electrolyte fuel cell and production method of the same Eiichi Yasumoto, Akihiko Yoshida, Makoto Uchida, Junji Morita, Teruhisa Kanbara 2008-01-08
7220514 Polymer electrolyte fuel cell Eiichi Yasumoto, Akihiko Yoshida, Makoto Uchida, Hisaaki Gyoten, Kazuhito Hatoh +5 more 2007-05-22
7205061 Polymer electrolyte fuel cell Hideo Ohara, Toshihiro Matsumoto, Junji Niikura, Kazuhito Hatoh, Teruhisa Kanbara +1 more 2007-04-17
7201993 Polymer electrolyte fuel cell Makoto Uchida, Eiichi Yasumoto, Akihiko Yoshida, Junji Morita, Masao Yamamoto +3 more 2007-04-10
7150934 Electrolyte film electrode union, fuel cell containing the same and process for producing them Akihiko Yoshida, Yoshihiro Hori, Makoto Uchida, Eiichi Yasumoto, Yasuo Takebe +5 more 2006-12-19
7132187 Polymer electrolyte fuel cell and production method thereof Makoto Uchida, Yoshihiro Hori, Akihiko Yoshida, Osamu Sakai, Takeshi Yonamine +2 more 2006-11-07
7097932 Polymer electrolytic fuel cell and method for producing the same Osamu Sakai, Hisaaki Gyoten, Hiroki Kusakabe, Eiichi Yasumoto, Teruhisa Kanbara +3 more 2006-08-29
6991870 Gas diffusion electrode and fuel cell using this Eiichi Yasumoto, Akihiko Yoshida, Makoto Uchida, Junji Morita, Hisaaki Gyoten +3 more 2006-01-31
6869719 Polymer electrolyte fuel cell stack Kazuhito Hatoh, Eiichi Yasumoto, Kazufumi Nishida, Hisaaki Gyoten, Teruhisa Kanbara +3 more 2005-03-22