Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887227 | Image input processor | Hiroshi Tsujioka, Yasuhumi Yatsuzuka | 1989-12-12 |
| 4835609 | Data processing device for reading coded signals in synchronization with the display frequencies | Susumu Uemura, Yasuhumi Yatsuzuka, Hiroshi Tsujioka, Shigeru Shindoh, Tadashi Tomino | 1989-05-30 |
| 4833316 | Rotary encoder | — | 1989-05-23 |