Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6473411 | Router device, datagram transfer method and communication system realizing handoff control for mobile terminals | Yoshinari Kumaki, Keiji Tsunoda, Shigeo Matsuzawa, Noriyasu Kato, Toshio Okamoto | 2002-10-29 |
| 6442616 | Method and apparatus for communication control of mobil computers in communication network systems using private IP addresses | Atsushi Inoue, Masahiro Ishiyama, Atsushi Shimbo, Toshio Okamoto | 2002-08-27 |