Issued Patents All Time
Showing 1–25 of 107 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8977272 | Mobile communication system, and mobile communication method and radio control device used in mobile communication system | Hiroto Tooyama, Kouji Makino, Yoshifumi Morihiro, Masato Hiraki, Shinsuke Sawamukai | 2015-03-10 |
| 8359046 | Control apparatus and mobile terminal | Masahiro Inoue, Ichiro Okajima | 2013-01-22 |
| RE43593 | Base station, radio resource control equipment, mobile station, communication system, and communication method | Hidetoshi Kayama, Lan Chen | 2012-08-21 |
| 8229418 | Wireless control apparatus and communication method | Shinichi Mori, Takatoshi Sugiyama | 2012-07-24 |
| 8111652 | Base station, radio communication system, and communication method | Daisuke Kitazawa, Lan Chen, Hidetoshi Kayama | 2012-02-07 |
| 8036204 | Mobile terminal, control apparatus, home agent and packet communications method | Masahiro Inoue, Ichiro Okajima | 2011-10-11 |
| 8023493 | Mobile terminal, control apparatus, home agent and packet communications method | Masahiro Inoue, Ichiro Okajima | 2011-09-20 |
| 8018915 | Mobile terminal, control apparatus, home agent and packet communications method | Masahiro Inoue, Ichiro Okajima | 2011-09-13 |
| 7970349 | Packet communication system, packet communication method, base station, mobile station, control device, and packet communication program | Lan Chen, Daisuke Kitazawa, Hidetoshi Kayama | 2011-06-28 |
| 7821982 | Packet communications taking into account channel quality and buffered data amount | Lan Chen, Hidetoshi Kayama | 2010-10-26 |
| 7813329 | Base station, and a scrambling code setting method | Shinichi Mori, Ichiro Okajima | 2010-10-12 |
| 7801482 | Packet communication system, packet communication method, base station, mobile station, control device, and packet communication program | Lan Chen, Daisuke Kitazawa, Hidetoshi Kayama | 2010-09-21 |
| 7801070 | Mobile communication system, mobile terminal transfer device, and mobile communication method | Koji Omae, Ryoichi Kobayashi, Hideaki Takahashi, Takehiro Ikeda, Masahiro Inoue +1 more | 2010-09-21 |
| 7774004 | Reducing paging control traffic in a mobile system by placing router identifications in the uplink pagin request packet | Masahiro Inoue, Ichiro Okajima | 2010-08-10 |
| 7760680 | Prioritized communication between base station and mobile unit | Lan Chen, Hidetoshi Kayama | 2010-07-20 |
| 7710977 | Allocation of radio resources to packets in accordance with service qualities under radio communication environment | Daisuke Kitazawa, Lan Chen, Hidetoshi Kayama | 2010-05-04 |
| 7634272 | Mobile station, mobile communication system, and cell selection method | Takeshi Yamashita, Hideo Matsuki, Jyunichirou Hagiwara, Hidetoshi Kayama | 2009-12-15 |
| 7620021 | Method, base station and mobile station for timeslot selection and timeslot assignment | Lan Chen, Yasushi Yamao | 2009-11-17 |
| 7602718 | Packet transmission control apparatus, mobile node, control node, packet communication method, and packet communication system | Koji Omae, Hideaki Takahashi, Ichiro Okajima | 2009-10-13 |
| 7590085 | Mobile communication system, line concentrator, radio base station, mobile station, and communication method | Masayuki Motegi, Hideki Tobe, Hidetoshi Kayama | 2009-09-15 |
| 7586894 | Communication system capable of selecting optimum gateway for terminals | Hidenori Aoki, Shinji Takeda, Kengo Yagyu | 2009-09-08 |
| 7580387 | Time slot assigning method, signal transmission method, base station control apparatus, base station, and mobile station used in a mobile communications system | Hidetoshi Kayama, Lan Chen | 2009-08-25 |
| 7567534 | Mobile host, paging agent, packet communication system, and movement detection method | Hideaki Takahashi, Masahiro Inoue, Ichiro Okajima | 2009-07-28 |
| 7548519 | Mobile communication system, mobile communication method, mobile terminal and base station | Masayuki Motegi, Hidetoshi Kayama | 2009-06-16 |
| 7532601 | Transmission power control method, radio communication system, base station and mobile station | Hidetoshi Kayama, Lan Chen | 2009-05-12 |