Issued Patents All Time
Showing 251–275 of 304 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7154973 | Spreading code synchronization method, receiver, and mobile station | Yukiko Hanada, Kenichi Higuchi | 2006-12-26 |
| 7154955 | Multi-carrier transmission system and associated method of reducing the effect of multi-path interference | Shingo Suwa, Hiroyuki Atarashi, Sadayuki Abeta | 2006-12-26 |
| 7139571 | Cell search control method, mobile station and mobile communications system | Yoshihiro Ishikawa, Tetsuro Imai, Seizo Onoe | 2006-11-21 |
| 7136624 | Radio resources allocating method, radio resources allocating apparatus, and mobile communication system | Yoshiaki Ofuji, Sadayuki Abeta | 2006-11-14 |
| 7130293 | Transmitter, transmitting method, receiver, and receiving method for MC-CDMA communication system | Yukiko Hanada, Kenichi Higuchi | 2006-10-31 |
| 7092431 | Receiver, transmitter, communication system, and method of communication | Noriyuki Maeda, Hiroyuki Atarashi, Sadayuki Abeta | 2006-08-15 |
| 7072381 | Path search method, channel estimation method and communication device | Hiroyuki Atarashi, Sadayuki Abeta | 2006-07-04 |
| 6980539 | Mobile communication system in multi-carrier CDMA scheme using short code and long code | Yukiko Hanada, Kenichi Higuchi, Sadayuki Abeta | 2005-12-27 |
| 6967987 | Transmission power control method and mobile communication system | Kenichi Higuchi, Akihito Morimoto | 2005-11-22 |
| 6904078 | CDMA receiver and CDMA transmitter/receiver | Sadayuki Abeta, Fumiyuki Adachi | 2005-06-07 |
| 6842442 | DS-CDMA transmission method | Koichi Okawa, Koji Ohno, Shinji Uebayashi, Yukihiko Okumura | 2005-01-11 |
| 6757272 | Channel estimation unit, and CDMA receiver and CDMA transceiver with channel estimation unit | Sadayuki Abeta, Fumiyuki Adachi | 2004-06-29 |
| 6647003 | Channel estimation unit, and CDMA receiver and CDMA transceiver with channel estimation unit | Sadayuki Abeta, Fumiyuki Adachi | 2003-11-11 |
| 6539009 | Signal reception apparatus for DS-CDMA cellular system | Changming Zhou, Xuping Zhou, Fumiyuki Adachi | 2003-03-25 |
| 6507605 | Rake receiver in direct spreading CDMA transmission | Satoru Fukumoto | 2003-01-14 |
| RE37953 | Filter circuit for communication | Guoliang Shou, Chanming Zhou, Makoto Yamamoto, Fumiyuki Adachi, Sunao Takatori | 2002-12-31 |
| 6426949 | Signal reception apparatus for DS-CDMA communication system | Changming Zhou, Xuping Zhou, Fumiyuki Adachi | 2002-07-30 |
| 6341224 | Power controller for mobile communication system wherein a signal to interference threshold is dynamically moved based on an error rate measurement | Tomohiro Dohi, Syunsuke Seo, Yukihiko Okumura | 2002-01-22 |
| 6278724 | Receiver in a spread spectrum communication system having low power analog multipliers and adders | Changming Zhou, Guoliang Shou, Kunihiko Suzuki, Xuping Zhou, Xiaoling Qin +2 more | 2001-08-21 |
| 6263012 | Receiver apparatus for CDMA communication system | Changming Zhou, Xuping Zhou, Guoliang Shou, Fumiyuki Adachi | 2001-07-17 |
| 6240148 | Path-diversity receiving method and system of spread spectrum communication | Guoliang Shou, Changming Zhou, Xuping Zhou, Fumiyuki Adachi | 2001-05-29 |
| 6167037 | Signal transmitting method, transmitter, receiver, and spread-spectrum code synchronizing method for mobile communication system | Kenichi Higuchi, Fumiyuki Adachi, Koji Ohno, Akihiro Higashi | 2000-12-26 |
| 6137788 | CDMA demodulating apparatus | Hidehiro Andou, Yoshinori Miki, Kenichi Higuchi | 2000-10-24 |
| 6097711 | DS-CDMA transmission method | Koichi Okawa, Koji Ohno, Shinji Uebayashi, Yukihiko Okumura | 2000-08-01 |
| 6069912 | Diversity receiver and its control method | Hidehiro Ando, Yoshinori Miki, Kenichi Higuchi, Shinya Tanaka | 2000-05-30 |