Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4823206 | Video signal recording and/or reproducing apparatus | Shoji Nemoto | 1989-04-18 |
| 4821032 | Communication system for video information apparatus | Keiichiro Shimada, Shinji Takada, Mitsugu Ishihara | 1989-04-11 |
| 4804894 | Motor rotation servo control apparatus | Tadafusa Tomitaka | 1989-02-14 |