Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347604 | Bi-directional data communications system | Masaki Saito | 1982-08-31 |
| 4245245 | Interactive CATV system | Katsuaki Matsumoto, Yoshifumi Saeki, Osamu Tazawa, Minoru Kosaka, Masaki Saito +13 more | 1981-01-13 |