Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4748519 | Method and apparatus for recording and reproducing coded digital signals | Roger Lagadec, Yukio Fukuju | 1988-05-31 |
| 4727547 | Method and apparatus for decoding | — | 1988-02-23 |
| 4644546 | Method of digital signal transmission | Toshitada Doi, Roger Lagadec | 1987-02-17 |
| 4622598 | Method of recording odd and even words of one channel PCM signals in plural tracks | Toshitada Doi, Roger Lagadec | 1986-11-11 |