Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6900713 | Magnetic switch capable of instantaneous switching of an output signal and magnetic sensor | Ichiro Tokunaga, Hirofumi Okumura, Seiji Kikuchi | 2005-05-31 |
| 6640652 | Rotation angle sensor capable of accurately detecting rotation angle | Seiji Kikuchi, Ichiro Tokunaga | 2003-11-04 |
| 4295119 | Rotary variable resistor | Yoshizo Kubo | 1981-10-13 |