Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331842 | Electrically operated valve | Tatsuya Yoshida | 2025-06-17 |
| 9413157 | Direct-current circuit breaker | Kazuyori TAHATA, Hiroki Ito, Kunio Kikuchi, Kenji Kamei, Yusaku Horinouchi +2 more | 2016-08-09 |
| 6535164 | Each area automatic selection receiver for emergency radio signal | Kazuyoshi Imazeki, Nobuaki Yokoyama | 2003-03-18 |
| 6493203 | Phase control switch apparatus | Hiroki Ito, Haruhiko Kohyama | 2002-12-10 |