Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11169337 | Optical module and optical transmission equipment | Hiroyoshi Ishii, Koichi Takahashi | 2021-11-09 |
| 11054473 | State estimation device and method for fuel cell and fuel cell system | — | 2021-07-06 |
| 10971742 | Fuel cell state determination method and fuel cell state determination apparatus | — | 2021-04-06 |