Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6020585 | Optical rotary encoder having at least one zone plate | Yuji Shimonaka, Tatsuo Matsushima | 2000-02-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6020585 | Optical rotary encoder having at least one zone plate | Yuji Shimonaka, Tatsuo Matsushima | 2000-02-01 |