Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |