Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5822679 | CATV communication system and a CATV center equipment and CATV terminal units | Masakazu Koike, Osamu Yoshida | 1998-10-13 |
| 5715020 | Remote control system in which a plurality of remote control units are managed by a single remote control device | Isao Miyazaki, Shinichi Ooi, Yasushi Odagiri, Masahiro Takahashi | 1998-02-03 |
| 5619251 | Two-way CATV system and remote control system | Isao Miyazaki, Shinichi Ooi, Yasushi Odagiri, Masahiro Takahashi | 1997-04-08 |
| 4901351 | Video signal scramble system | Masatoshi Tanaka, Akinori Masuko, Jyoji Maeda, Shouji Uehara, Tsutomu Uekusa | 1990-02-13 |
| 4686564 | Communication data processing device of cable television system | Akinori Masuko, Shouji Uehara, Tsutomu Uekusa, Robert M. Rast, W. Sherwood Campbell | 1987-08-11 |
| 4613826 | Frequency synthesizer for CATV tuner | Akinori Masuko, Yasufumi Shimizu, Hideki Hirosawa | 1986-09-23 |