Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625350 | Audio/video communication system and method | Hitoshi Fukatsu, Takashi Miyake, Kouichi Sato, Tadashi Sano | 1997-04-29 |
| 4654884 | Radio receiver with switching circuit for elimination of intermodulation interference | Tsuneo Sakai, Yoshio Ito | 1987-03-31 |