Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633571 | VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus | Kenichi Sakamoto, Kazuyoshi Hoshino, Koji Wakayama, Shiro Tanabe | 2003-10-14 |
| 6512745 | Packet switching network, packet switching equipment, and network management equipment | Hajime Abe, Kazuho Miki, Akihiko Takase, Yoshito Sakurai | 2003-01-28 |