Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4367382 | Vacuum circuit breaker | Hideo Suzuki, Nobuo Kawashima, Satoru Yanabu | 1983-01-04 |
| 4345130 | Electrical contact | Tsutomu Okutomi, Masachika Iida, Kazuyoshi Kuwabara, Hisashi Yoshino | 1982-08-17 |