Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6893759 | Polymer electrolyte fuel cell stack | Atsushi Ooma, Hiroshi Chizawa, Michio Hori | 2005-05-17 |
| 6869709 | Fuel cell system with improved humidification system | Soichiro Shimotori, Michael L. Perry | 2005-03-22 |