Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788699 | Output buffer type asynchronous transfer mode switch | — | 2004-09-07 |
| 6532234 | Back-pressure type ATM switch | Kazuhiro Ushiyama | 2003-03-11 |
| 4922484 | ISDN remote switching unit for accommodating analog and digital lines | Yoshinori Yoshida, Akira Arutaki, Masao Hashimoto | 1990-05-01 |