Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5548638 | Audio teleconferencing apparatus | Tohru Abe | 1996-08-20 |
| 5228035 | Synchronizing system in digital communication line | Akira Hirato, Yuji Kondo, Hideharu Omori, Koichi Ichimura, Yoshihiro Kawata | 1993-07-13 |