Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884151 | Recording and/or reproducing apparatus with photo-electric image device | Masamitsu Ohtsu | 1989-11-28 |
| 4868692 | Tracking error signal forming circuit | Hiromi Nakase, Kanji Kubo, Mitsunobu Furumoto | 1989-09-19 |
| 4851867 | Photographing number change-over device for two lens camera | — | 1989-07-25 |
| 4816930 | Tracking control for a tape using pilot signals | Kanji Kubo, Naoshi Usuki, Mitsunobu Furumoto | 1989-03-28 |