Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876708 | Cordless telephone system | Noboru Saegusa, Toshihiro Hara, Ryoji Kawasaki, Syoji Huse, Koji Ono | 1989-10-24 |
| 4875231 | Radio telephone system | Toshihiro Hara, Akio Yotsutani, Ryoji Kawasaki, Syoji Huse, Koji Ono | 1989-10-17 |