Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6882653 | Gateway system having controller and signal processor for interconnecting IP network and telephone network and method for controlling alternative routing at the time of fault of gateway system | Hajime Abe, Takaaki Higashi | 2005-04-19 |
| 6735431 | Information communicating method, information providing apparatus, radio-communication system and radio-communication terminal | Katsuyuki Tsunami, Ken Nanjo | 2004-05-11 |