Issued Patents All Time
Showing 51–75 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6289009 | CDMA transceiver used in mobile communication system | — | 2001-09-11 |
| 6188679 | CDMA chip synchronization circuit | — | 2001-02-13 |
| 6141555 | Cellular communication system, and mobile and base stations used in the same | — | 2000-10-31 |
| 6130884 | Variable rate CDMA spread circuit | — | 2000-10-10 |
| 6088324 | Prediction-based transmission power control in a mobile communications system | — | 2000-07-11 |
| 6081919 | Coding and decoding system using CRC check bit | Atsushi Fujiwara, Tomohiro Dohi | 2000-06-27 |
| 5982763 | Reception timing detection circuit of CDMA receiver and detection method | — | 1999-11-09 |
| 5956328 | Spread spectrum communications system | — | 1999-09-21 |
| 5809058 | Code division multiple access signal receiving apparatus for base station | — | 1998-09-15 |
| 5751705 | Code division multiple access base station transmitter | — | 1998-05-12 |
| 5745858 | Base station transmitter/receiver capable of varying composite directivity of antennas | Yukitsuna Furuya | 1998-04-28 |
| 5598428 | DS/CDMA diversity receiver with despreading filters using combiner wherein first and second despreading filters are delayed with respect to each other by a period of half the chip rate | — | 1997-01-28 |
| 5590404 | Base station transmission-reception apparatus for cellular system | Yukitsuna Furuya | 1996-12-31 |
| 5511068 | Mobile communication system capable of transmitting and receiving a radio signal obtained by TDMA and CDMA without interference | — | 1996-04-23 |
| 5499021 | Paging receiver with a display function that inhibits display of a received command signal | — | 1996-03-12 |
| 5434126 | Thin-film high Tc superconductor comprising a ferroelectric buffer layer | Yo Ichikawa, Koichi Mizuno, Hideaki Adachi, Kentaro Setsune | 1995-07-18 |
| 5412694 | Data demodulator | Takayuki Shibata, Hideo Ohmura | 1995-05-02 |
| 5343502 | Symbol timing detecting circuit | — | 1994-08-30 |
| 5321690 | Transmitting and receiving system in base station | — | 1994-06-14 |
| 5237320 | Radio paging system with different transmission speeds and receiver therefor | Takashi Oyagi | 1993-08-17 |
| 5227777 | Radio paging receiver for intermittently receiving a paging signal transmitted on different phases of a clock | Mafumi Miyashita | 1993-07-13 |
| 5142699 | Radio receiver with clock signal controlled to improve the signal to noise ratio | Motoki Ide | 1992-08-25 |
| 5087905 | Method for superimposing independently transmitted data on pager display | Hiroyasu Kuramatsu, Masahiro Matai, Sadayuki Anma | 1992-02-11 |
| 4959644 | Paging receiver with a display function that inhibits display of a received command signal | — | 1990-09-25 |
| 4945300 | Power source control apparatus | Motoki Ide | 1990-07-31 |