Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697150 | Method forming an electric contact in a vacuum circuit breaker | Katsuhiro Komuro, Yoshitaka Kojima, Yoshio Koguchi, Toru Tanimizu, Yoshimi Hakamata +1 more | 1997-12-16 |
| 5691521 | Vacuum circuit breaker with improved contact assembly | Katsuhiro Komuro, Yoshitaka Kojima, Shunkichi Endoo, Tooru Tanimizu, Yoshimi Hakamata +1 more | 1997-11-25 |
| 5610381 | Compression gas puffer type circuit breaker | Eisaku Mizufune, Kenichi Natsui, Goro Daimon, Yoshihito Asai, Katsuichi Kashimura +2 more | 1997-03-11 |