Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656621 | Fuel cell stack | Koji Okazaki | 2003-12-02 |
| 6620540 | Fuel cell stack | Narutoshi Sugita | 2003-09-16 |
| 6524735 | Fuel cell stack with a curved flow guide section | Masaharu Suzuki | 2003-02-25 |