Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870500 | Image signal processing apparatus | — | 1989-09-26 |
| 4866533 | Image processing device | — | 1989-09-12 |
| 4860111 | Information transmission system | Katsuichi Shimizu | 1989-08-22 |
| 4814877 | Image reading apparatus provided with correction for shadings in image data | — | 1989-03-21 |
| 4811109 | Image processing system | Katsuichi Shimizu, Takehiko Shibata, Yoshikazu Yokomizo, Akira Suzuki, Koichi Murakami +3 more | 1989-03-07 |
| 4807044 | Image processing apparatus | Yutaka Kikuchi, Junko Kiso | 1989-02-21 |