Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5734780 | Recording/reproducing device which receives an FM multiplexed signal comprising a subcarrier or a darc signal and outputs traffic information after detecting an intermission | Nobutoshi Oki | 1998-03-31 |
| 5708635 | Ultra-resolving optical pickup device having an optical detector receiving an unfiltered reflected beam | Osamu Ota | 1998-01-13 |
| 5689495 | High density optical disc and optical disc player | Yoichi Tsuchiya, Hitoshi Terasaki, Toshio Ito, Yasuyuki Kano, Yoshimoto Yamaguchi +2 more | 1997-11-18 |
| 5659534 | Apparatus for reproducing optical information contained disks of various recording densities | Hitoshi Terasaki, Yoichi Tsuchiya, Osamu Ota | 1997-08-19 |
| 5586095 | Ultra-resolving optical pickup device having an optical detector receiving an unfiltered reflected beam | Osamu Ota | 1996-12-17 |
| 5477527 | High density optical disc and optical disc player | Yoichi Tsuchiya, Hitoshi Terasaki, Toshio Ito, Yasuyuki Kano, Yoshimoto Yamaguchi +2 more | 1995-12-19 |