Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6735431 | Information communicating method, information providing apparatus, radio-communication system and radio-communication terminal | Katsuyuki Tsunami, Yoshinao Kiuchi | 2004-05-11 |
| 5749053 | Mobile communication network and control method thereof | Tsutomu Kusaki, Toshiya Ouchi, Shiro Tanabe, Takeshi Maki | 1998-05-05 |