Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7316734 | Volatile organic compound treatment apparatus | Koji Ohta, Masaki Kuzumoto, Yasuhiro Tanimura, Hajime Nakatani, Hideo Ichimura | 2008-01-08 |
| 5451731 | Circuit breaker and driving mechanism thereof | Mikio Hidaka | 1995-09-19 |
| 5387773 | Gas circuit breaker | Nobuya Nakajima, Mikio Hidaka | 1995-02-07 |
| 5367134 | Circuit breaker | Mikio Hidaka, Yoshiki Hirano | 1994-11-22 |
| 5354959 | Circuit breaker | Mikio Hidaka, Yoshiki Hirano | 1994-10-11 |
| 4887511 | Hydraulic control valve apparatus | Tsutomu Sugiyama | 1989-12-19 |
| 4816983 | Enclosed D.C. converting station | Isao Nishio | 1989-03-28 |
| 4791256 | Insulated nozzle for use in an interrupter | Takashi Yonezawa, Mamoru Hosomi, Akiyoshi Onuma, Ichiro Yamasaki | 1988-12-13 |
| 4785712 | Hydraulic operating apparatus for electric circuit breaker | Tsutomu Sugiyama | 1988-11-22 |
| 4747037 | High-voltage thyristor conversion/inversion apparatus | — | 1988-05-24 |
| 4700284 | High-voltage thyristor converter and laser with mirror control therefor | Akiyoshi Yoshioka | 1987-10-13 |
| 4524637 | Spring-operated mechanism | — | 1985-06-25 |
| 4500762 | Resistor-type disconnecting switch for circuit breaker | — | 1985-02-19 |
| 4488021 | Gas insulated disconnector | — | 1984-12-11 |
| 4488022 | Mechanism for adjusting the speed of displacement of an arc contact for a switching apparatus | — | 1984-12-11 |