Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11476473 | Fuel cell module | Yuki Yoshimine, Yukihisa Kanao | 2022-10-18 |
| 11362358 | Fuel cell module | — | 2022-06-14 |
| 10826096 | Fuel cell system | Jun Mizuno, Shigeru Toda, Keiji Tsukamoto | 2020-11-03 |
| 10297854 | Fuel cell stack | Keiji Tsukamoto | 2019-05-21 |
| 10170776 | Fuel cell module | Keiji Tsukamoto | 2019-01-01 |
| 9614233 | Fuel cell module | Keiji Tsukamoto, Shigeru Toda, Hideichi Yamamura | 2017-04-04 |
| 9166244 | Fuel cell | Atsushi Ishioka | 2015-10-20 |
| 9123946 | Fuel cell stack | — | 2015-09-01 |
| 9054350 | Fuel cell stack | — | 2015-06-09 |
| 9023547 | Fuel cell comprising separator with protrusions in zigzag-pattern | Tsutomu Takahashi, Tetsuya Ogawa | 2015-05-05 |
| 8980495 | Fuel cell system | — | 2015-03-17 |
| 8597842 | Fuel cell module | Jun Yamamoto, Bunichi Saito, Yukihiko Kiyohiro, Koji Dan | 2013-12-03 |
| 8557478 | Fuel cell | — | 2013-10-15 |
| 8389172 | Fuel cell system | — | 2013-03-05 |
| 8273492 | Load applying mechanism in a fuel cell system | — | 2012-09-25 |
| 8197985 | Fuel cell system with load applying mechanism | — | 2012-06-12 |
| 8168341 | Fuel cell and fuel cell stack | — | 2012-05-01 |
| 8034504 | Fuel cell system and method of operating same | Tadashi Tsunoda, Tetsuya Ogawa, Koji Dan | 2011-10-11 |
| 7875401 | Fuel cell system | Tadashi Tsunoda, Tetsuya Ogawa | 2011-01-25 |
| 7871730 | Fuel cell and fuel cell stack having a filter mechanism | Tetsuya Ogawa | 2011-01-18 |
| 7687172 | Fuel cell system | Tadashi Tsunoda, Koji Dan | 2010-03-30 |
| 7651809 | Channel member for providing fuel gas to separators forming a plurality of fuel gas fields on one surface | Masahiko Izumi | 2010-01-26 |
| 7544432 | Fuel cell and fuel cell stack | Masahiko Izumi, Koji Dan | 2009-06-09 |
| 7517602 | Fuel cell and fuel cell stack | — | 2009-04-14 |
| 7491460 | Fuel cell and fuel cell stack | Masahiko Izumi | 2009-02-17 |