Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7277948 | Network system with dynamic service profile updating functions | Yoichiro Igarashi, Shinya Yamamura, Mitsuaki Kakemizu, Masaaki Wakamoto | 2007-10-02 |
| 7068640 | VPN system in mobile IP network, and method of setting VPN | Mitsuaki Kakemizu, Shinya Yamamura, Yoichiro Igarashi, Masaaki Wakamoto | 2006-06-27 |
| 6917605 | Mobile network system and service control information changing method | Mitsuaki Kakemizu, Yoichiro Igarashi, Shinya Yamamura, Masaaki Wakamoto | 2005-07-12 |
| 6563794 | Boundary device for performing a connection control at a boundary between two communications networks | Kenya Takashima, Koji Nakamichi, Naotoshi Watanabe, Toshio Soumiya, Yutaka Ezaki | 2003-05-13 |