Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5247518 | High-speed ring lan system | Yoshihiro Takiyasu, Toshiki Tanaka, Taihei Suzuki, Eiichi Amada, Mitsuhiro Yamaga +2 more | 1993-09-21 |
| 5103447 | High-speed ring LAN system | Yoshihiro Takiyasu, Toshiki Tanaka, Taihei Suzuki, Eiichi Amada, Mitsuhiro Yamaga +2 more | 1992-04-07 |
| 4955050 | System configuration of wireless PBX and communication method therefor | — | 1990-09-04 |
| 4881271 | Portable wireless communication systems | Nobuo Tsukamoto, Masahiro Koya | 1989-11-14 |