Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4481390 | Vacuum circuit interrupter | Yoshiyuki Kashiwagi, Yutaka Kashimoto, Shinzo Sakuma, Junichi Warabi, Hidemi Kawaguchi | 1984-11-06 |
| 4416953 | Secondary battery | Takafumi Hashimoto | 1983-11-22 |
| 4414448 | Vacuum circuit interrupter | Yutaka Kashimoto, Shinzo Sakuma, Junichi Warabi, Hidemi Kawaguchi | 1983-11-08 |
| 4410777 | Vacuum circuit interrupter | Shinzo Sakuma, Junichi Warabi | 1983-10-18 |
| 4408107 | Vacuum interrupter | Shinzo Sakuma, Eiji Umeya, Junichi Warabi, Hidemi Kawaguchi | 1983-10-04 |
| 4394554 | Vacuum circuit interrupter | Junichi Warabi, Shinzo Sakuma, Hidemi Kawaguchi | 1983-07-19 |