Issued Patents All Time
Showing 251–259 of 259 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4570202 | Gas-insulated switchgear equipment | Isao Nishida, Koji Sasaki, Seizo Nakano, Shigetaka Takeuchi | 1986-02-11 |
| 4535383 | Gas-insulated switchgear equipment | Yukinori Yamaoka | 1985-08-13 |
| 4503481 | Gas insulated switchgear equipment | Sigeru Fujiya, Tohru Tsubaki, Naoki Amano, Kyuzi Yaginuma, Hitoshi Kayaba +1 more | 1985-03-05 |
| 4442330 | Puffer type current interrupter | Youichi Oshita, Shunji Sato, Kunio Hirasawa | 1984-04-10 |
| 4423298 | Gas circuit breaker of resistance breaking type | Masanori Tsukushi, Youichi Ohshita, Kunio Hirasawa | 1983-12-27 |
| 4417111 | Three-phase combined type circuit breaker | Tuneo Kishi, Yasuhide Takeda, Toru Tsubaki | 1983-11-22 |
| 4365126 | Gas circuit breaker | Masabumi Oshima, Haruo Honda | 1982-12-21 |
| 4263491 | Method for checking electric contacts of an enclosed-type switching device and an auxiliary apparatus for use with the switching device to use the method | Masaki Murashita, Seizo Nakano, Hiroshi Itoh, Shigeo Shiono | 1981-04-21 |
| 4232638 | Internal combustion engine equipped with an auxiliary combustion chamber | Hiromichi Yanagihara | 1980-11-11 |