Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319640 | Transmitting/receiving system having digital switching network | Hiroshi Yamasaki, Yuji Maeda | 1994-06-07 |
| 5315588 | Method of controlling frame-relay module, and high-speed switching system | Yasuhiro Kajiwara | 1994-05-24 |