Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7401357 | Authentication system, mobile terminal, and authentication method | Tooru Hasegawa, Toyota Nishi | 2008-07-15 |
| 7130402 | Communication request processing system communication request processing method communication request processing apparatus | Fumiko Kawaguchi, Takashi Tosaki, Takeshi Sugiyama, Takanobu Yamamoto | 2006-10-31 |
| 6985730 | Mobile communication control method and system | Toru Hasegawa, Toyota Nishi, Takeshi Sugiyama | 2006-01-10 |
| 6937859 | Mobile communication service control system and mobile communication service control method | Tooru Hasegawa, Toyota Nishi, Takeshi Sugiyama, Hironari Kobayashi, Hiroshi Matsunaga +1 more | 2005-08-30 |
| 6907240 | Communications control system, communications control method, service control station, and communications control station | Takashi Tosaki, Fumiko Kawaguchi, Takeshi Sugiyama, Takeshi Kishimoto | 2005-06-14 |
| 6671289 | Short cell multiplexed ATM transmission system and transmission method | Motoshi Tamura, Takatoshi Okagawa, Hiroshi Nakamura, Masafumi Onuki, Akihisa Nakajima | 2003-12-30 |
| 6314300 | Mobile communication system for supporting multiple simultaneous communications on single mobile terminal | Akiko Nakashima, Mutsumaru Miki, Katsuhiko Yamagata | 2001-11-06 |
| 5673260 | Method and system for CDMA mobile communication | Narumi Umeda, Akihiro Higashi, Akira Hiroike | 1997-09-30 |
| 5615210 | Mobile radio communications system | Noriteru Shinagawa, Masatomo Nakano | 1997-03-25 |