Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4951273 | Optical recording and reproducing device with normalization of servo control signal using switchable automatic gain control circuitry | Toshifumi Yoshida, Yasuo Nishinaka, Mitsuro Moriya | 1990-08-21 |