Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845456 | Magnetic sensor | Ichiro Tokunaga | 1989-07-04 |
| 4806751 | Code wheel for a reflective type optical rotary encoder | Yoshihiro Takahashi, Yoji Shimojima | 1989-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845456 | Magnetic sensor | Ichiro Tokunaga | 1989-07-04 |
| 4806751 | Code wheel for a reflective type optical rotary encoder | Yoshihiro Takahashi, Yoji Shimojima | 1989-02-21 |