Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10469889 | Information distribution device, information reception device, system, program, and method | Toshio Asai, Akira Inoue, Susumu Okuyama, Takeshi Kondo, Takayuki Nagai | 2019-11-05 |
| 9157214 | Bulldozer | Kazuyuki Suzuki | 2015-10-13 |
| 7574226 | System and method for mobile communication | Nahoko Takano, Kojiro Hamabe, Mariko Matsumoto | 2009-08-11 |
| 7403789 | Synchronization establishment between a mobile station and base station system and method used for them | Nahoko Takano, Kojiro Hamabe, Mariko Matsumoto | 2008-07-22 |
| 7356022 | Mobile communication system, mobile station, base station, and packet communication method used therefor | Nahoko Takano, Kojiro Hamabe, Mariko Matsumoto | 2008-04-08 |
| 7209762 | Mobile radio communication system and base station, and mobile radio communication method used therefor | Mariko Matsumoto, Kojiro Hamabe, Nahoko Takano | 2007-04-24 |
| 6912259 | Interpolation synchronous detection method and radio communication system | — | 2005-06-28 |
| 6781974 | Method of assigning frequency using propagation loss | — | 2004-08-24 |
| 6754257 | Frame timing synchronization method | — | 2004-06-22 |
| 6690716 | Correlator for realizing low current consumption | — | 2004-02-10 |
| 6580762 | Rate matching method | — | 2003-06-17 |
| 6574200 | CDMA receiver comprising a synchronous timing notifying section capable of reaching low consumption of current | — | 2003-06-03 |
| 6553056 | CDMA receiver with a reduced number of required high speed adders | — | 2003-04-22 |
| 6075978 | Automatic gain control system and method of automatic gain control | — | 2000-06-13 |
| 6044253 | Method and apparatus using first and second variable gain control circuits to reduce cross modulation in a radio receiver | — | 2000-03-28 |
| 5977839 | Compensated frequency source with latched temperature compensation, and method for it's control | — | 1999-11-02 |
| 5918166 | Level control circuit for portable radio communication apparatus | — | 1999-06-29 |
| 5883553 | Filter unit adapted for miniaturization and for selecting a particular signal where a plurality of signals different in bandwidth coexist | — | 1999-03-16 |
| 5831477 | Power amplifier system with variable output | — | 1998-11-03 |
| 5796306 | Wide range variable output amplifier apparatus with high efficiency | — | 1998-08-18 |
| 5748129 | Analog to digital converter circuit | — | 1998-05-05 |
| 5710795 | Received signal decision apparatus for digital modulated signal receiver | — | 1998-01-20 |
| 5550506 | DQPSK demodulator capable of improving a symbol error rate without decreasing a transmission rate | — | 1996-08-27 |
| 5511097 | Delay detection circuit | — | 1996-04-23 |
| 5272447 | Demodulator and demodulation method for a digital phase modulated signal | Yukitsuna Furuya | 1993-12-21 |