Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4914534 | Information reproducing apparatus having a timer for restricting operation thereof and means for overriding said timer when the information reproducing apparatus is operatively coupled to a reproduced information handling apparatus | — | 1990-04-03 |
| 4695778 | Rotation phase control device | Masahiko Ogawa | 1987-09-22 |
| 4626702 | Saw-tooth wave generating circuit | — | 1986-12-02 |