Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4409448 | Pull-push switch | Hiroshi Matsui, Kazuo Sakami, Takashi Onizawa | 1983-10-11 |
| 4365231 | Variable resistor device with lock mechanism | — | 1982-12-21 |
| 4353053 | Rotary variable resistor | Hiroshi Matsui, Takashi Onizawa | 1982-10-05 |