Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973531 | Arrangement for tightening stack of fuel cell elements | Tetsuya Hirata, Minoru Hotta | 1990-11-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973531 | Arrangement for tightening stack of fuel cell elements | Tetsuya Hirata, Minoru Hotta | 1990-11-27 |