Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6654322 | Focus servo actuating circuit and optical disk device incorporating same | Toru Kameyama | 2003-11-25 |
| 5715358 | Method for recording at least two picture signals and method of reproduction at least two picture signals | Takashi Ohnaka, Katsuhiko Matsushita, Daisuke Kishimoto, Minoru Takahashi, Minoru Kume +5 more | 1998-02-03 |