Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4550347 | Method for recording information on a recording disc | — | 1985-10-29 |
| 4460926 | Time base correcting device for audio and video signals | — | 1984-07-17 |
| 4245245 | Interactive CATV system | Katsuaki Matsumoto, Yoshifumi Saeki, Osamu Tazawa, Minoru Kosaka, Masaki Saito +13 more | 1981-01-13 |