Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7095780 | Base station apparatus of mobile communication system | Takehiro Nakamura, Junichiro Hagiwara, Etsuhiro Nakano, Koji Ohno, Akihiro Higashi +4 more | 2006-08-22 |
| 7088960 | Wireless channel setting method for mobile communication system and mobile communication control apparatus | Yasuhiro Kato, Takehiro Nakamura, Akihiro Maebara, Yutaka Ohto, Shinji Ueda | 2006-08-08 |
| 6999427 | CDMA reception apparatus and received signal power measuring apparatus in CDMA mobile communication system | Masafumi Usuda, Yoshihiro Ishikawa | 2006-02-14 |
| 6983039 | Call admission control method and communication system to which method is applied | Yoshihiro Ishikawa, Akihiro Maebara, Yoshitaka Hiramoto | 2006-01-03 |
| 6963551 | Signal transmission method and base station in mobile communication | Shinji Uebayashi, Minami Ishii, Takehiro Nakamura | 2005-11-08 |
| 6947751 | Communication system and resource assigning method therefor | Yoshihiro Ishikawa, Takaaki Satoh, Takehiro Nakamura | 2005-09-20 |
| 6944439 | Apparatus for call admission control based on transmission power of base station | Takahiro Hayashi, Yoshihiro Ishikawa, Takehiro Nakamura, Mikio Iwamura, Yoshiaki Ofuji | 2005-09-13 |
| 6907250 | Wireless channel changeover method and mobile communication system | Yoshihiro Ishikawa, Kazunori Obata, Takaaki Sato | 2005-06-14 |
| 6782035 | Base station apparatus of mobile communication system | Takehiro Nakamura, Junichiro Hagiwara, Etsuhiro Nakano, Koji Ohno, Akihiro Higashi +4 more | 2004-08-24 |
| 6741837 | Interference avoidance radio communications system | Etsuhiro Nakano, Yoshihiro Ishikawa, Masafumi Hata, Minami Ishii | 2004-05-25 |
| 6697622 | Control method of searching neighboring cells, mobile station, and mobile communication system | Yoshihiro Ishikawa, Kazufumi Yunoki, Akihiro Higashi | 2004-02-24 |
| 6453166 | Communication channel selecting method and base station device | Yoshihiro Ishikawa, Etsuhiro Nakano, Minami Ishii, Masafumi Hata | 2002-09-17 |
| 6314090 | Method of perch channel transmission and cell selection in CDMA mobile communication system | Takehiro Nakamura, Kouji Ohno | 2001-11-06 |
| 6208624 | Paging scheme for mobile communication system using increased paging channel data transmission rate | Motohiro Tanno, Takehiro Nakamura | 2001-03-27 |
| 6181944 | Mobile station position estimation scheme for cellular mobile communication system | Shinji Uebayashi, Kouji Ohno | 2001-01-30 |
| 6026279 | Method and apparatus for signal transmission in CDMA mobile communication system | Takehiro Nakamura, Kouji Ohno | 2000-02-15 |
| 6011787 | CDMA mobile communication scheme with effective use of sector configuration | Etsuhiro Nakano, Takehiro Nakamura | 2000-01-04 |
| 5953326 | Cell selection scheme in CDMA mobile communication system using spread codes and spread code phases | Takehiro Nakamura, Kouji Ohno, Etsuhiro Nakano | 1999-09-14 |
| 5361396 | Location registration system in mobile communication | Narumi Umeda, Hidemi Yamaguti, Syuji Yasuda | 1994-11-01 |
| 5258980 | Radio channel switching control method | Akihiro Maebara, Fumiyuki Adachi, Masaharu Hata, Toshinori Fujii | 1993-11-02 |
| 5230081 | Method and apparatus for locating which zone and sector of a mobile communication system a mobile station is in | Tomoyuki Yamada, Narumi Umeda, Takanori Utano | 1993-07-20 |
| 5212822 | Method for registering mobile station in mobile communication system | Yoshinobu Fukumine, Takanori Utano, Narumi Umeda | 1993-05-18 |
| 5210751 | Signal transmission system capable of performing re-transmission control in units of slots | Kimitoshi Funakawa, Narumi Umeda, Tamami Suzuki | 1993-05-11 |
| 5151693 | Wireless signal transmission system with random access | Narumi Umeda | 1992-09-29 |
| 5146214 | Paging signal control system with reduced power consumption in a mobile communication system | Tomoyuki Yamada | 1992-09-08 |