Issued Patents All Time
Showing 76–95 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996679 | Subcode information and block identification system for a disc player | — | 1991-02-26 |
| 4994925 | Method of recording and reproducing picture information, recording medium, and recording medium playing apparatus | Masayasu Yamashita, Masami Suzuki, Osamu Watanabe | 1991-02-19 |
| 4992885 | Method of recording and reproducing audio information in correlation with divided screen graphics information | — | 1991-02-12 |
| 4989097 | Apparatus for reproducing and processing picture information from a recording medium | Masami Suzuki | 1991-01-29 |
| 4970602 | Disk player for displaying recorded audio signals | — | 1990-11-13 |
| 4953035 | Method of recording and reproducing picture information, recording medium, and recording medium playing apparatus | — | 1990-08-28 |
| 4937576 | Dither circuit responsive to zero input signal level | Masami Suzuki, Masami Tsuchida, Kiyoshi Iwai | 1990-06-26 |
| 4920569 | Digital audio signal playback system delay | — | 1990-04-24 |
| 4899326 | Magazine-housed disk player | Noriyoshi Takeya, Hidehiro Ishii, Osamu Watanabe, Kazuhiko Katakami, Takeshi Izumo | 1990-02-06 |
| 4885644 | Spindle servo device for data recording disk reproducing apparatus | Hidehiro Ishii, Osamu Watanabe, Takeshi Izumo, Noriyoshi Takeya, Kazuhiko Katakami +2 more | 1989-12-05 |
| 4872068 | Disk playing method resulting in reduced start-up time | Hidehiro Ishii, Osamu Watanabe, Takeshi Izumo, Noriyoshi Takeya, Kazuhiko Katakami +2 more | 1989-10-03 |
| 4870512 | Data recording and reproducing device | — | 1989-09-26 |
| 4736354 | Focus servo device for detecting and compensating for disk abnormalities | — | 1988-04-05 |
| 4707817 | Method of generating tracking servo signal for optical disc playback apparatus | — | 1987-11-17 |
| 4698795 | Tracking servo device | — | 1987-10-06 |
| 4642812 | Sound field enlarging device and method | Toshio Hirano, Kenichiro Yasukawa, Masayuki Yoshida | 1987-02-10 |
| 4616271 | Digital audio system with automatic fade in and fade out operations | Kenichiro Yasukawa, Toshio Hirano, Masayuki Yoshida | 1986-10-07 |
| 4477893 | Tone arm device | — | 1984-10-16 |
| 4471476 | Pickup arm drive device | — | 1984-09-11 |
| 4375092 | Automatic music selecting device | — | 1983-02-22 |