Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8663865 | Method of manufacturing fuel cell, fuel cell manufacturing device, and fuel cell | Kazuhiro Watanabe | 2014-03-04 |
| 8450024 | Fuel cell having a separator with a folded back part | Takeshi Nagasawa, Kazuhiro Watanabe, Kazutaka Ilsuka, Rie Takami, Naotoshi Miyamoto | 2013-05-28 |
| 6030723 | Lead bushing and lead storage battery with lead bushing | Kiyoshi Ano | 2000-02-29 |