Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5272751 | Pay television | Satoshi Nakanami, Noriyuki Kawamoto | 1993-12-21 |
| 5230019 | Key signal conversion device for CATV system | Toyokazu Yanagimichi, Tetsuo Kariya, Toshikazu Wakabayashi, Ichiro Kawashima, Satoshi Nakanami +1 more | 1993-07-20 |
| 5161187 | Cable television system | Toyokazu Yanagimichi, Tetsuo Kariya, Toshikazu Wakabayashi, Ichiro Kawashima, Satoshi Nakanami +1 more | 1992-11-03 |
| 4418424 | Cable television transmission control system | Noriyuki Kawamoto, Toru Higashi | 1983-11-29 |