Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8497445 | Vacuum valve | Shoji Yoshida, Masayuki Furusawa | 2013-07-30 |
| 5853083 | Contact material for a vacuum circuit breaker and a method for manufacturing the same | Masayuki Furusawa, Hisaji Shinohara, Katsuhiko Taguchi, Yukio Osawa, Kazuro Shibata +1 more | 1998-12-29 |