Issued Patents All Time
Showing 276–300 of 304 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6034952 | Method and instrument for measuring receiving SIR and transmission power controller | Tomohiro Dohi, Syunsuke Seo, Yukihiko Okumura, Fumiyuki Adachi | 2000-03-07 |
| 6031415 | Matched filter circuit for spread spectrum communication | Guoliang Shou, Changming Zhou, Makoto Yamamoto, Fumiyuki Adachi, Sunao Takatori | 2000-02-29 |
| 5940433 | Acquisition method and system of spreading code | Akihiro Higashi, Kenichi Higuchi | 1999-08-17 |
| 5926512 | Matched filter circuit | Guoliang Shou, Changming Zhou, Makoto Yamamoto, Sunao Takatori, Fumiyuki Adachi | 1999-07-20 |
| 5914943 | Apparatus and method for establishing acquisition of spreading code in CDMA transmission system | Kenichi Higuchi, Fumiyuki Adachi | 1999-06-22 |
| 5910948 | Acquisition scheme and receiver for an asynchronous DS-CDMA cellular communication system | Guoliang Shou, Changming Zhou, Xuping Zhou, Makoto Yamamoto, Sunao Takatori +1 more | 1999-06-08 |
| 5898665 | Coherent tracking apparatus and method for CDMA receiver | Fumiyuki Adachi | 1999-04-27 |
| 5848096 | Communication method and system using different spreading codes | Guoliang Shou, Changming Zhou, Makoto Yamamoto, Fumiyuki Adachi, Sunao Takatori | 1998-12-08 |
| 5815812 | Soft handoff system of spread spectrum communication | Changming Zhou, Guoliang Shou, Makoto Yamamoto, Fumiyuki Adachi, Sunao Takatori | 1998-09-29 |
| 5790590 | Matched filter circuit | Guoliang Shou, Changming Zhou, Makoto Yamamoto, Sunao Takatori, Fumiyuki Adachi | 1998-08-04 |
| 5774494 | Frequency error correction device of a spread-spectrum communication receiver | Tomohiro Dohi | 1998-06-30 |
| 5768306 | Sliding correlator used in CDMA systems to establish initial synchronization | Fumiyuki Adachi | 1998-06-16 |
| 5748623 | Code division multiple access transmitter and receiver | Fumiyuki Adachi | 1998-05-05 |
| 5745531 | Automatic gain control apparatus, communication system, and automatic gain control method | Fumiyuki Adachi | 1998-04-28 |
| 5740096 | Filter circuit for communication | Guoliang Shou, Changming Zhou, Makoto Yamamoto, Fumiyuki Adachi, Sunao Takatori | 1998-04-14 |
| 5734648 | CDMA communications method and system | Fumiyuki Adachi | 1998-03-31 |
| 5724378 | CDMA multiuser receiver and method | Yoshinori Miki | 1998-03-03 |
| 5715235 | Communication system capable of performing FDMA transmission | Tomohiro Dohi, Fumiyuki Adachi | 1998-02-03 |
| 5694388 | CDMA demodulator and demodulation method | Hidehiro Andou, Fumiyuki Adachi | 1997-12-02 |
| 5692015 | Coherent detector and a coherent detection method for a digital communication receiver | Akihiro Higashi, Fumiyuki Adachi, Koji Ohno | 1997-11-25 |
| 5684832 | Maximum likelihood differential detecting method and differential detector thereof | Fumiyuki Adachi, Tomohiro Dohi | 1997-11-04 |
| 5652765 | Receiver and repeater for spread spectrum communications | Fumiyuki Adachi, Akihiro Higashi, Koji Ohno, Tomohiro Dohi | 1997-07-29 |
| 5638362 | Correlation detector and communication apparatus | Tomohiro Dohi, Fumiyuki Adachi | 1997-06-10 |
| 5623486 | Transmission power control method and apparatus for mobile communications using a CDMA (code division multiple access) system | Tomohiro Dohi, Koji Ohno | 1997-04-22 |
| 5604766 | Transmission power control method of a spread-spectrum communication system, and a spread-spectrum communication system employing the control method | Tomohiro Dohi, Fumiyuki Adachi | 1997-02-18 |