Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4489291 | Circuit breaker provided with parallel resistor | Mitsuru Toyoda, Eiichi Haginomori, Masanori Ishimatsu | 1984-12-18 |
| 4345130 | Electrical contact | Masachika Iida, Kazuyoshi Kuwabara, Hisashi Yoshino, Eiichi Takayanagi | 1982-08-17 |