Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5594724 | Transmission convergence sublayer multiplex generating/terminating apparatus | Masao Akata, Takao Miura, Takeshi Ogawa, Yukihiro Doi, Isao Higashi | 1997-01-14 |
| 5022025 | Self-routing switch and its routing method | Shigeo Urushidani | 1991-06-04 |
| 4864558 | Self-routing switch | Shigeo Urushidani, Koichi Hagishima | 1989-09-05 |
| 4328398 | Digital multi-frequency receiver | Masaharu Kawaguchi, Yoshikatu Shiraishi, Kazuhiro Maruyama, Yoshimasa Kaneko | 1982-05-04 |
| 4245325 | Digital multifrequency signalling receiver | Shiro Kikuchi, Yasumasa Iwase | 1981-01-13 |