Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5113047 | Pushbutton switch with wear preventing groove | — | 1992-05-12 |
| 4987278 | Push-button switch | — | 1991-01-22 |
| 4913285 | Water-and-dust-proof push-button switch housing dummy terminal for air venting | Yoichi Hattori | 1990-04-03 |