Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788677 | Gateway apparatus, terminal specification method for gateway apparatus and computer-readable recording medium having recorded terminal-specifying program | Noriyuki Fukuyama, Masahiro Matsuda, Kazuyuki Ohtsu | 2004-09-07 |
| 6785263 | Communication control method in complex switched network and gateway using the method | Noriyuki Fukuyama | 2004-08-31 |
| 6724749 | Internet telephony system | Masayuki Tashiro, Kazuyuki Ohtsu, Noriyuki Fukuyama, Takahiro Shirakawa, Kenichi Tonomura | 2004-04-20 |