Issued Patents All Time
Showing 76–100 of 107 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7002959 | Packet communication method, node apparatus and packet communication system | Yoshifumi Suzuki, Takuya Shinozaki, Ichiro Okajima | 2006-02-21 |
| 6920322 | Paging control method and paging control system in communication system | Takehiro Ikeda, Ichiro Okajima | 2005-07-19 |
| 6909905 | Mobile communications control including change of bit rate based on traffic and transmit power | Yasushi Yamao, Lan Chen | 2005-06-21 |
| 6895216 | Rendering multicast service with sufficient reception quality to wireless terminals | Hijin Sato, Yasushi Yamao | 2005-05-17 |
| 6885865 | Mobile communication system, and location registration method of mobile station, resource control method and recording medium in mobile communication system | Takehiro Ikeda, Ichiro Okajima | 2005-04-26 |
| 6882845 | Autonomous zone forming communication device and autonomous zone forming method | Hijin Sato, Yasushi Yamao | 2005-04-19 |
| 6871071 | Handover control method and system | Toshiaki Takao, Hijin Sato | 2005-03-22 |
| 6839559 | Retransmission control method and the apparatus | Takehiro Ikeda, Ichiro Okajima | 2005-01-04 |
| 6831904 | Cluster structured mobile communication system base station, cluster control station, line control station and mobile station | Yasushi Yamao, Hirohito Suda | 2004-12-14 |
| 6785552 | Location managing method for managing location of mobile station in mobile wireless packet communication system and mobile wireless packet communication system | Takuya Shinozaki, Yasushi Yamao | 2004-08-31 |
| 6760588 | Method and apparatus for stabilizing communication in mobile communication system | Ichiro Okajima, Yoshifumi Suzuki, Yasushi Yamao | 2004-07-06 |
| 5940385 | Multicellular transmission method and apparatus | Yasuhiro Mita, Masami Yabusaki | 1999-08-17 |
| 5920817 | Mobile communication system with reliable handover scheme | Takehiro Nakamura, Kouji Ohno, Noriteru Shinagawa | 1999-07-06 |
| 5873047 | Method for setting up perch channels in mobile communication by cellular system | Etsuhiro Nakano | 1999-02-16 |
| 5873028 | Transmission power control apparatus and method in a mobile communication system | Etsuhiro Nakano, Tomohiro Dohi | 1999-02-16 |
| 5838671 | Method and apparatus for call admission control in CDMA mobile communication system | Yoshihiro Ishikawa | 1998-11-17 |
| 5740168 | Method and apparatus for switching radio links in mobile communication | Takehiro Nakamura, Akira Hiroike | 1998-04-14 |
| 5689503 | Random access system of a mobile communication system | Azusa WADA, Akihiro Maebara, Ichiro Okajima, Katsumi Kobayashi, Noriko Uchida +1 more | 1997-11-18 |
| 5673260 | Method and system for CDMA mobile communication | Akihiro Higashi, Akira Hiroike, Akira Kaiyama | 1997-09-30 |
| 5666655 | Mobile communication system with autonomous distributed type dynamic channel allocation scheme | Yoshihiro Ishikawa | 1997-09-09 |
| 5596516 | Code sequence generator | Akihiro Higashi, Koji Ohno | 1997-01-21 |
| 5581547 | Random access communication method by CDMA and mobile station equipment using the same | Youichi Douzono, Tadashi Matsumoto | 1996-12-03 |
| 5574983 | Base station device and mobile station device in mobile communication system utilizing the site diversity effect in soft handover state | Youichi Douzono | 1996-11-12 |
| 5568472 | Code division multiple access mobile communication system | Tadashi Matsumoto, Youichi Douzono | 1996-10-22 |
| 5566165 | Transmission power control method and a communication system using the same | Mamoru Sawahashi, Tomohiro Dohi, Koji Ohno | 1996-10-15 |