Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6704309 | Internet telephone apparatus and internet telephone gateway system | Takao Miyazaki, Kazuo Yahiro, Toshinori Yamagichi, Takuji Tujigawa, Yasuyuki Nishioka +4 more | 2004-03-09 |
| 6381318 | Internet telephone system, access point apparatus, and communication system using access point apparatus and broad-range data communication network | Yasuyuki Nishioka | 2002-04-30 |
| 6094477 | Electronic mail terminal and system for automatically downloading electronic mail | Yasuyuki Nishioka | 2000-07-25 |