Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11710873 | Battery pack | Itsuki SHIMAZAKI, Ryo Fujii, Kanae Ohkuma, Takaaki Iijima, Yohei Azuma | 2023-07-25 |
| 9601785 | Fuel cell | Seiji Sugiura, Shuji Sato, Yasuhiro Watanabe | 2017-03-21 |
| 8574780 | Fuel cell separator with chromium rich surface layer and method of producing the fuel cell separator | Satoru Terada, Daisuke Okonogi, Masao Utsunomiya | 2013-11-05 |
| 8399151 | Fuel cell with buffer-defined flow fields | Seiji Sugiura, Yasuhiro Watanabe, Shuji Sato | 2013-03-19 |
| 8304140 | Fuel cell separator comprising overlapping bosses and guide ridges | Seiji Sugiura, Yasuhiro Watanabe, Shuji Sato, Masaaki Sakano | 2012-11-06 |
| 8221923 | Stop method for fuel cell system and fuel cell system | Shigeru Inai, Hiromichi Yoshida, Hideo Kato, Katsumi Hayashi, Ryo Jinba +2 more | 2012-07-17 |
| 7981570 | Fuel cell | Masao Utsunomiya | 2011-07-19 |
| 7722977 | Fuel cell stack comprising current collector provided at least at one fluid passage | Masahiko Sato, Makoto Tsuji, Masao Utsunomiya, Hayato Kaji, Shuhei Goto +1 more | 2010-05-25 |
| 7704619 | Fuel cell system and method of controlling same | Yosuke Fujii | 2010-04-27 |