Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8021772 | Preservation assembly of polymer electrolyte fuel cell stack | Yoichiro Tsuji, Eiichi Yasumoto, Kazuhito Hatoh, Shinsuke Takeguchi, Hiroki Kusakabe +1 more | 2011-09-20 |
| 8003239 | Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack | Yoichiro Tsuji, Eiichi Yasumoto, Kazuhito Hatoh, Shinsuke Takeguchi, Hiroki Kusakabe +1 more | 2011-08-23 |
| 7976972 | Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack | Yoichiro Tsuji, Eiichi Yasumoto, Kazuhito Hatoh, Shinsuke Takeguchi | 2011-07-12 |