Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885784 | System for binary encoding a picture | Koichi Oki, Hiroyuki Horii | 1989-12-05 |
| 4876732 | System for detecting rotational angle of objective pattern | Yutaka Ishizaka, Shoji Shimomura | 1989-10-24 |