Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657318 | Phase-comparison bit synchronizing circuit | Yoshinori Ishii | 1997-08-12 |
| 5530748 | Power supplying system for terminal | — | 1996-06-25 |
| 5420886 | Digital transmission equipment | — | 1995-05-30 |
| 5379307 | System for detecting failure in dual bus user network | Ryoichi Ishibashi, Tetsuo Tachibana | 1995-01-03 |
| 5347522 | Method and apparatus for detecting pseudo noise pattern for remote loopback test | — | 1994-09-13 |
| 5331213 | Pulse transmission circuit with undershoot eliminating circuitry | Yukio Furukawa, Masakazu Oi, Akihiko Takada | 1994-07-19 |
| 5166923 | Loopback test starting system | Yoshinori Ishii | 1992-11-24 |