Issued Patents All Time
Showing 1–25 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8964607 | Communication system, communication apparatus, and communication method | Motohiro Tanno, Mamoru Sawahashi, Nobuhiko Miki, Yoshihisa Kishiyama, Hidekazu Taoka | 2015-02-24 |
| 8594117 | Base station and method in mobile communications system | Teruo Kawamura, Yoshiaki Ofuji, Yoshihisa Kishiyama, Kenichi Higuchi, Mamoru Sawahashi | 2013-11-26 |
| 8428651 | Radio base station apparatus | Daisuke Koizumi, Masayuki Motegi, Yoshitsugu Shimazu, Naoki Nakaminami | 2013-04-23 |
| 8295332 | Channel estimation device and method, demodulation device and method, and fading frequency decision device and method | Yukihiko Okumura, Hidehiro Ando, Masafumi Usuda, Yoshihiro Ishikawa | 2012-10-23 |
| 8213992 | Radio base station apparatus | Daisuke Koizumi, Masayuki Motegi, Yoshitsugu Shimazu, Naoki Nakaminami | 2012-07-03 |
| 8005120 | Base station apparatus of mobile communication system | Takehiro Nakamura, Junichiro Hagiwara, Etsuhiro Nakano, Koji Ohno, Akihiro Higashi +4 more | 2011-08-23 |
| 7944893 | Signal transmission method and base station in mobile communication | Shinji Uebayashi, Minami Ishii, Takehiro Nakamura | 2011-05-17 |
| 7929592 | Channel estimation device and method, demodulation device and method, and fading frequency decision device and method | Yukihiko Okumura, Hidehiro Ando, Masafumi Usuda, Yoshihiro Ishikawa | 2011-04-19 |
| 7860505 | Mobile communication system, extension transmission/reception server, extension transmission/reception controller, base station, radio network controller, mobile station and communication method | Mayu Yamada, Akihiro Maebara, Masayuki Koshino, Masafumi Masuda | 2010-12-28 |
| 7826861 | Base station apparatus of mobile communication system | Takehiro Nakamura, Junichiro Hagiwara, Etsuhiro Nakano, Koji Ohno, Akihiro Higashi +4 more | 2010-11-02 |
| 7693106 | Neighboring base station information update method, information management method for cell search in mobile communications system, cell search method of mobile station, mobile communications system, mobile station, base station and control station | Yoshihiro Ishikawa, Mamoru Sawahashi | 2010-04-06 |
| 7672357 | Base station apparatus of mobile communication system | Takehiro Nakamura, Junichiro Hagiwara, Etsuhiro Nakano, Koji Ohno, Akihiro Higashi +4 more | 2010-03-02 |
| 7649859 | Channel identifier assigning method and mobile communications system | Masafumi Usuda, Yoshihiro Ishikawa | 2010-01-19 |
| 7492784 | Call acceptance control method, mobile communication system and base station device | Mikio Iwamura, Yoshihiro Ishikawa, Takehiro Nakamura, Takahiro Hayashi, Yoshiaki Oofuji | 2009-02-17 |
| 7480277 | Signal transmission method and base station in mobile communication | Shinji Uebayashi, Minami Ishii, Takehiro Nakamura | 2009-01-20 |
| 7443907 | Base station apparatus of mobile communication system | Takehiro Nakamura, Junichiro Hagiwara, Etsuhiro Nakano, Koji Ohno, Akihiro Higashi +4 more | 2008-10-28 |
| 7437152 | Control method of searching neighboring cells, mobile station, and mobile, communication system | Yoshihiro Ishikawa, Kazufumi Yunoki, Akihiro Higashi | 2008-10-14 |
| 7388832 | Call-admission controller and method of call-admission control | Rie Nagato, Yoshihiro Ishikawa, Kazunori Obata | 2008-06-17 |
| 7301991 | Fading frequency decision device and method | Yukihiko Okumura, Hidehiro Ando, Masafumi Usuda, Yoshihiro Ishikawa | 2007-11-27 |
| 7194266 | Handover control method, mobile station and communication control apparatus | Yoshihiro Ishikawa, Yoshiaki Ofuji, Takehiro Nakamura, Mikio Iwamura, Takahiro Hayashi | 2007-03-20 |
| 7193978 | Communications system employing a scheme of radio channel setting control | Yoshihiro Ishikawa, Takaaki Sato, Yoshitaka Hiramoto, Takehiro Nakamura | 2007-03-20 |
| 7167718 | Transmission power control apparatus, transmission power control method, and mobile station | Takahiro Hayashi, Yoshihiro Ishikawa, Takehiro Nakamura, Mikio Iwamura, Yoshiaki Ofuji | 2007-01-23 |
| 7139571 | Cell search control method, mobile station and mobile communications system | Yoshihiro Ishikawa, Tetsuro Imai, Mamoru Sawahashi | 2006-11-21 |
| 7120446 | Call admission control method, communication system and base station device | Mikio Iwamura, Yoshihiro Ishikawa, Takehiro Nakamura, Takahiro Hayashi, Yoshiaki Ofuji | 2006-10-10 |
| 7103364 | Call acceptance controlling apparatus and method thereof | Yoshihiro Ishikawa, Yoshiaki Ofuji, Takehiro Nakamura, Mikio Iwamura, Takahiro Hayashi | 2006-09-05 |