Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7114002 | Packet retransmission system, packet transmission device, packet reception device, packet retransmission method, packet transmission method and packet reception method | Seiji Okumura, Kazuma Fukuda | 2006-09-26 |
| 7085268 | Communication system, communication method, transmitting terminal and receiving terminal | Kazuma Fukuda, Seiji Okumura | 2006-08-01 |
| 6843413 | Information providing method and information providing device | Tomohisa Yamaguchi, Tsugihiko Ohno | 2005-01-18 |