Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580714 | Concentrator type ATM switch for an ATM switching system | Hideki Nishizaki | 2003-06-17 |
| 6546422 | Caching of network contents by packet relays that determine cache priority utilizing contents access frequency and metrics in their routing tables representing relaying path lengths | Kazuhiko Isoyama, Akira Arutaki | 2003-04-08 |
| 6512616 | Optical packet switch | — | 2003-01-28 |