Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6048216 | Vacuum circuit breaker as well as vacuum valve and electric contact used in same | Katsuhiro Komuro, Yoshitaka Kojima, Yukio Kurosawa, Yoshio Koguchi, Toru Tanimizu +1 more | 2000-04-11 |
| 5852266 | Vacuum circuit breaker as well as vacuum valve and electric contact used in same | Katsuhiro Komuro, Yoshitaka Kojima, Yukio Kurosawa, Yoshio Koguchi, Toru Tanimizu +1 more | 1998-12-22 |
| 5697150 | Method forming an electric contact in a vacuum circuit breaker | Katsuhiro Komuro, Yoshitaka Kojima, Yukio Kurosawa, Yoshio Koguchi, Toru Tanimizu +1 more | 1997-12-16 |
| 5557083 | Vacuum circuit breaker and electric contact | Katsuhiro Komuro, Yoshitaka Kojima, Yukio Kurosawa, Yoshio Koguchi, Toru Tanimizu +1 more | 1996-09-17 |
| 5189270 | Contact structure for vacuum circuit breaker | Morihisa Matumoto, Kouji Suzuki, Yukio Kurosawa | 1993-02-23 |