Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853809 | Apparatus for reproducing video signals as slow-motion pictures | — | 1989-08-01 |
| 4823206 | Video signal recording and/or reproducing apparatus | Yukihiko Machida | 1989-04-18 |
| 4814900 | Tracking control apparatus using pilot signals of different frequencies | Noboru Murabayashi | 1989-03-21 |