Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6704309 | Internet telephone apparatus and internet telephone gateway system | Noriaki Nada, Takao Miyazaki, Kazuo Yahiro, Toshinori Yamagichi, Takuji Tujigawa +4 more | 2004-03-09 |