Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807091 | Illuminating device for an electric part | — | 1989-02-21 |
| 4778966 | Device for displaying operation of knob | Yasuo Takii, Minoru Oyama | 1988-10-18 |
| 4705348 | Optical switch | Hiroshi Matsunaga, Ichiro Tokunaga, Yoji Shimojima | 1987-11-10 |
| 4684210 | Light transmission device | Hiroshi Matsunaga, Yoji Shimojima, Ichiro Tokunaga | 1987-08-04 |
| 4606223 | Device for detecting rotating speed of thin shape motor | Hiroshi Matsunaga, Yoji Shimojima, Ichiro Tokunaga, Yukihiko Yasuhara | 1986-08-19 |
| 4580871 | Rotary encoder | Hiroshi Matsunaga, Yoji Shimojima, Ichiro Tokunaga | 1986-04-08 |