Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5101405 | Ring line concentrator | Hiroyuki Wada | 1992-03-31 |
| 5046185 | Regenerative repeater | Masato Hirai, Sinzi Ikezawa, Teruo Moriguchi | 1991-09-03 |
| 4937823 | Ring network configuration | Hiroyuki Wada, Masato Hirai | 1990-06-26 |
| 4899142 | Ring network system and configuration control method | Susumu Nakayashiki, Jiro Kashio, Takeshi Harakawa, Mitsuhiro Yamaga | 1990-02-06 |
| 4847611 | Ring configuration of line concentrators | Hiroyuki Wada, Mitsuhiro Yamaga, Susumu Nakayashiki | 1989-07-11 |
| 4777330 | Network system diagnosis system | Susumu Nakayashiki, Takeshi Harakawa, Hiroyuki Wada, Masahiro Fuse, Hiroshi Nakase +2 more | 1988-10-11 |