Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4949984 | Rear-wheel steering apparatus for vehicle | Katsuhiro Tokumaru, Ayumu Doi | 1990-08-21 |
| 4792971 | Selective viewing control system for CATV | — | 1988-12-20 |
| 4651204 | Jamming signal generating circuit | — | 1987-03-17 |
| 4556973 | Frequency-division multiplex communication method and system | — | 1985-12-03 |
| 4317215 | Tuning system for CATV terminal | Toshio Tabata | 1982-02-23 |
| 4245245 | Interactive CATV system | Katsuaki Matsumoto, Yoshifumi Saeki, Osamu Tazawa, Minoru Kosaka, Masaki Saito +13 more | 1981-01-13 |