Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8705373 | Apparatus and method for packet forwarding | Eiji Sugawara | 2014-04-22 |
| 7420924 | Transmission device | Nobuhiro Rikitake | 2008-09-02 |
| 5561766 | Cross-connecting system for making line connections between high-speed lines and low-speed lines and between high-speed lines and capable of detecting a line-connection error | — | 1996-10-01 |
| 5532862 | Line switching system | Katsuyuki Tada | 1996-07-02 |