Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864289 | Video display control system for animation pattern image | Takatoshi Ishii, Ryozo Yamashita, Shigemitsu Yamaoka, Takatoshi Okumura | 1989-09-05 |
| 4812828 | Video display processor | Takatoshi Ishii, Ryozo Yamashita, Shigemitsu Yamaoka, Takatoshi Okumura | 1989-03-14 |
| 4804948 | Video display control system | Takatoshi Ishii, Ryozo Yamashita, Shigemitsu Yamaoka, Takatoshi Okumura | 1989-02-14 |