Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6882257 | Earth Leakage Breaker | Takashi Anamura, Kunihiko Takahata | 2005-04-19 |
| 5457295 | Circuit breaker | Toshiyuki Tanibe, Hiroshi Fujii, Shinji Yamagata, Shinsaku Yamasaki, Tsukasa Iio +3 more | 1995-10-10 |
| 5283542 | Low-shrinkage unsaturated wet type polyester resin (B.M.C.) formulation composition having high thermal conductivity and molded circuit breaker and parts formed therefrom | Haruyuki Ochiai, Sadatoshi Murakami | 1994-02-01 |
| D334174 | Residual current operated circuit-breaker | Hiroshi Fujii, Yoshiaki Matsumoto, Kazuyoshi Sugihara, Shingo Maeda, Shinji Yokota +1 more | 1993-03-23 |
| 4931602 | Multipole circuit breaker | Haruhisa Toda, Kouhei Fujiwara, Kazumi Shioguchi | 1990-06-05 |
| 4567455 | Circuit interrupter | Hiroshi Fujii, Shigemi Tamaru, Junichi Terachi, Takuo Takatsuka, Hideo Suhara | 1986-01-28 |
| 4559423 | Circuit interrupter | Shinji Yamagata, Shigemi Tamaru, Hiroshi Fujii, Hideo Suhara, Fumiyuki Hisatsune +1 more | 1985-12-17 |
| 4346356 | Circuit breaker with increased contact separation | Kohei Fujiwara | 1982-08-24 |
| 4321440 | Circuit breaker with extended contact separation after trip | Kouhei Fujiwara | 1982-03-23 |