Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5109365 | Record information reproducing method with content identifiers | Yoshihiko Watanabe, Tsuneyoshi Nagashita, Susumu Niinuma, Isamu Nomura, Kimito Kobayashi +7 more | 1992-04-28 |
| 4879705 | Automatic loading disc player | Yoshio Aoyagi, Hiroyuki Hirano, Toshiyuki Kimura, Susumu Niinuma, Minoru Yoshioka +6 more | 1989-11-07 |
| 4829502 | Automatic loading disc player | Yoshiro Aoyagi, Toshiyuki Kimura, Susumu Niinuma, Minoru Yoshioka, Fumihiko Yokogawa +6 more | 1989-05-09 |
| 4823056 | Pulse-width modulation drive circuit | Yoshihiko Watanabe, Tsuneyoshi Nagashita, Susumi Niinuma, Isamu Nomura, Kimito Kobayashi +7 more | 1989-04-18 |
| 4701902 | Automatic loading disc player | Yoshiro Aoyagi, Toshiyuki Kimura, Susumu Niinuma, Minoru Yoshioka, Fumihiko Yokogawa +6 more | 1987-10-20 |
| 4558213 | Pickup level control device for a system for reading out recorded information | Koki Aizawa, Yoshiyuki Takizawa, Akira Motoyama | 1985-12-10 |
| 4551642 | Level shifting circuit | Koki Aizawa | 1985-11-05 |
| 4520282 | Electronic impedance circuit including a compensation arrangement for d.c. offset | Kazuo Watanabe, Yuichi Ohkubo, Fumihiko Yokogawa | 1985-05-28 |
| 4510458 | Amplifier circuit | Tetsuo Sato, Yasuo Kominami, Yoshiyuki Takizawa | 1985-04-09 |
| 4476502 | Noise reduction system | Kazuo Watanabe, Yasuo Kominami, Yoshiyuki Takizawa | 1984-10-09 |