Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298703 | Gas circuit breaker | Hirohiko Yatsuzuka, Takashi Minakawa, Isao Nishida | 1994-03-29 |
| 4417111 | Three-phase combined type circuit breaker | Yasuhide Takeda, Toru Tsubaki, Takeshi Takahashi | 1983-11-22 |
| 4315119 | Tank type gas circuit breaker | Koji Sasaki, Michio Moriya | 1982-02-09 |
| 4307273 | Gas blast circuit breaker | Koji Sasaki | 1981-12-22 |
| 4293749 | Puffer type gas circuit breaker | Koji Sasaki | 1981-10-06 |
| 4215256 | Gas-insulated switchgear apparatus | Minoru Sakaguchi, Kazuaki Oishi, Seizo Nakano | 1980-07-29 |