Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5985000 | Method for manufacturing electrode material for vacuum circuit breaker | Hisaji Shinohara, Kazuro Shibata, Masayuki Furusawa, Shunichi Hatakeyama, Hiromi Iwai +2 more | 1999-11-16 |