Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4537743 | Electrode composition for vacuum switch | Takashi Yamanaka, Yasushi Takeya, Mitsumasa Yorita, Toshiaki Horiuchi, Kouichi Inagaki +2 more | 1985-08-27 |
| 4517033 | Contact material for vacuum circuit breaker | Mitsuhiro Okumura, Eizo Naya | 1985-05-14 |
| 4499009 | Electrode composition for vacuum switch | Takashi Yamanaka, Yasushi Takeya, Mitsumasa Yorita, Toshiaki Horiuchi, Kouichi Inagaki +2 more | 1985-02-12 |
| 4486631 | Contact for vacuum circuit breaker | Eizo Naya, Toshiaki Horiuchi, Yasushi Takeya, Kouichi Inagaki, Mitsuhiro Okumura | 1984-12-04 |
| 4424429 | Contactor for vacuum type circuit interrupter | Takashi Yamanaka, Kouichi Inagaki, Eizo Naya, Mitsuhiro Okumura | 1984-01-03 |