Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697150 | Method forming an electric contact in a vacuum circuit breaker | Katsuhiro Komuro, Yoshitaka Kojima, Yukio Kurosawa, Toru Tanimizu, Yoshimi Hakamata +1 more | 1997-12-16 |