Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6400719 | Telephone communication method capable of relating a telephone terminal and a speech channel IP address at the time of call connection | Masanori Goto, Mitsuo Endou, Toshikatsu Nakajima | 2002-06-04 |
| 6335803 | Facsimile communication system | Kouichi Izumi | 2002-01-01 |