Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10522846 | Fuel cell end plate with resin layer and protrusion | Hitoshi Hamada, Yutaka Hotta, Tatsuya TOKUMASU, Tadanobu Ota, Yoshiki Nakamura | 2019-12-31 |
| 10522865 | Fuel cell stack | Hitoshi Hamada, Tadanobu Ota, Yoshiki Nakamura | 2019-12-31 |
| 10439247 | Fuel cell stack | Hitoshi Hamada, Tatsuya TOKUMASU, Tadanobu Ota, Yoshiki Nakamura | 2019-10-08 |
| 5917309 | Charger for electrically charging a capacitor | — | 1999-06-29 |
| 5742474 | Electric double layer capacitor | Hiroyuki Kimoto, Shoji Yokoishi | 1998-04-21 |