Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11394037 | Conveying apparatus for separator for fuel cell | — | 2022-07-19 |
| 9160020 | Fuel cell | Kousuke Kawajiri, Keiji Hashimoto, Satoshi Futami, Takamasa Kanie, Tomokazu Hayashi | 2015-10-13 |
| 8034510 | Gas diffusion layer in a fuel cell | Keiji Hashimoto | 2011-10-11 |