Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839750 | Method and apparatus for recording and/or reproducing a PCM signal with asynchronous operation | Tetsuro Kato | 1989-06-13 |
| 4819087 | System for precisely editing audio signals on a videotape | Hajime Takeuchi | 1989-04-04 |
| 4814902 | Apparatus for recording and/or reproducing with video and multiple audio rotary heads | Jiro Fujiwara, Hisayoshi Chino, Teruyuki Yoshida, Jun Takayama, Hideto Suzuki | 1989-03-21 |