Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7616419 | Switchgear control apparatus | Haruhiko Koyama, Kenji Kamei, Sadayuki Kinoshita | 2009-11-10 |
| 6610949 | Switchgear operating apparatuses | Kyoichi Ohtsuka, Nobuya Nakajima | 2003-08-26 |