Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11087934 | Arc-quenching device for direct current switch | Koji Omori, Hiroyuki Otsuka | 2021-08-10 |
| 10964493 | Arc-quenching device for direct current switch | Koji Omori, Hiroyuki Otsuka | 2021-03-30 |
| 10699854 | Trigger switch | Taiki Koyama, Koji Omori | 2020-06-30 |
| 10381174 | Contact member, sliding contact, electrical device and method for producing contact member having electrical contact surface layer comprising coated particles | Ichizo Sakamoto, Kazushi MAETA, Yuki Yamamoto | 2019-08-13 |
| 5488207 | Key switch with a locking arrangement on a rotating element | Takashi Niwa, Kenji Shinohara | 1996-01-30 |