Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4982583 | Air conditioner for railway vehicles | Toshiharu Matsuda, Yoshinao Okumoto, Yoshichika Fukushima | 1991-01-08 |
| 4905478 | Air conditioner for railway vehicles | Toshiharu Matsuda, Yoshinao Okumoto, Yoshichika Fukushima | 1990-03-06 |