Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5985000 | Method for manufacturing electrode material for vacuum circuit breaker | Hisaji Shinohara, Katsuro Shiozaki, Masayuki Furusawa, Shunichi Hatakeyama, Hiromi Iwai +2 more | 1999-11-16 |
| 5853083 | Contact material for a vacuum circuit breaker and a method for manufacturing the same | Masayuki Furusawa, Hisaji Shinohara, Nobuyuki Odaka, Katsuhiko Taguchi, Yukio Osawa +1 more | 1998-12-29 |