Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4991198 | Interconnection control method in cordless telephone system | Kazuyuki Tate, Ryoji Kawasaki, Noboru Saegusa, Yukihiro Shimura, Koji Ono | 1991-02-05 |
| 4876708 | Cordless telephone system | Noboru Saegusa, Toshihiro Hara, Ryoji Kawasaki, Kazuyuki Tate, Koji Ono | 1989-10-24 |
| 4875231 | Radio telephone system | Toshihiro Hara, Akio Yotsutani, Ryoji Kawasaki, Kazuyuki Tate, Koji Ono | 1989-10-17 |