Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4724478 | Cable television communication system with passive sensor signal path and a subscriber power supply source | Akinori Masuko, Akio Ogawa, Yasuhiro Muramatsu, Hideki Hirosawa, Robert M. Rast | 1988-02-02 |
| 4686564 | Communication data processing device of cable television system | Akinori Masuko, Wataru Kuroiwa, Shouji Uehara, Tsutomu Uekusa, Robert M. Rast | 1987-08-11 |