Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7720478 | Control device of mobile communication system | Takayuki Ishiguro, Mayu Yamada, Sung Uk Moon, Hiroyuki Ishii, Toshiyuki Futakata | 2010-05-18 |
| 7313400 | Radio communication device and method thereof | Sung Uk Moon, Toshiyuki Futakata | 2007-12-25 |
| 6341224 | Power controller for mobile communication system wherein a signal to interference threshold is dynamically moved based on an error rate measurement | Syunsuke Seo, Yukihiko Okumura, Mamoru Sawahashi | 2002-01-22 |
| 6081919 | Coding and decoding system using CRC check bit | Atsushi Fujiwara, Toshifumi Sato | 2000-06-27 |
| 6034952 | Method and instrument for measuring receiving SIR and transmission power controller | Syunsuke Seo, Yukihiko Okumura, Mamoru Sawahashi, Fumiyuki Adachi | 2000-03-07 |
| 5873028 | Transmission power control apparatus and method in a mobile communication system | Etsuhiro Nakano, Narumi Umeda | 1999-02-16 |
| 5774494 | Frequency error correction device of a spread-spectrum communication receiver | Mamoru Sawahashi | 1998-06-30 |
| 5715235 | Communication system capable of performing FDMA transmission | Mamoru Sawahashi, Fumiyuki Adachi | 1998-02-03 |
| 5684832 | Maximum likelihood differential detecting method and differential detector thereof | Fumiyuki Adachi, Mamoru Sawahashi | 1997-11-04 |
| 5652765 | Receiver and repeater for spread spectrum communications | Fumiyuki Adachi, Mamoru Sawahashi, Akihiro Higashi, Koji Ohno | 1997-07-29 |
| 5638362 | Correlation detector and communication apparatus | Mamoru Sawahashi, Fumiyuki Adachi | 1997-06-10 |
| 5623486 | Transmission power control method and apparatus for mobile communications using a CDMA (code division multiple access) system | Mamoru Sawahashi, 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 | Mamoru Sawahashi, Fumiyuki Adachi | 1997-02-18 |
| 5594754 | Spread spectrum communication receiver | Mamoru Sawahashi, Fumiyuki Adachi | 1997-01-14 |
| 5586113 | CDMA communications method and system | Fumiyuki Adachi, Mamoru Sawahashi, Shinji Uebayashi | 1996-12-17 |
| 5566165 | Transmission power control method and a communication system using the same | Mamoru Sawahashi, Narumi Umeda, Koji Ohno | 1996-10-15 |