Issued Patents All Time
Showing 1–25 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11432704 | Image pickup apparatus and endoscope | — | 2022-09-06 |
| 10750110 | Endoscope system and signal processor to determine a short or an open clock signal wire | — | 2020-08-18 |
| 10084636 | Transmission apparatus, reception apparatus, transmission method, and reception method | Yasuaki Yuda, Seigo Nakao, Masayuki Hoshino, Tetsuya Yamamoto | 2018-09-25 |
| 9806726 | Spread spectrum clock generator | — | 2017-10-31 |
| 9660657 | Spread spectrum clock generator | — | 2017-05-23 |
| 9525516 | Transmission device and transmission method | Ryohei Kimura, Toru Oizumi, Shinsuke Takaoka, Yasuaki Yuda, Daichi Imamura +1 more | 2016-12-20 |
| 9386547 | SC-FDMA transmission device and transmission method | Ryohei Kimura, Toru Oizumi, Yoshihiko Ogawa, Daichi Imamura, Tetsuya Yamamoto | 2016-07-05 |
| 8737246 | Wireless transmission apparatus and precoding method | Kenichi Miyoshi, Yoshiko Saito, Shinsuke Takaoka, Daichi Imamura, Seigo Nakao | 2014-05-27 |
| 7920659 | Wireless communication apparatus and wireless communication method | Akihiko Nishio, Katsuhiko Hiramatsu, Kazuaki Takeda, Hiromichi Tomeba | 2011-04-05 |
| 7903748 | Transmitter apparatus, communication system, and communication method | — | 2011-03-08 |
| 7298721 | Single-carrier/DS-CDMA packet transmitting method, uplink packet transmitting method in multi carrier/DS-CDMA mobile communication system, and structure of downlink channel in multi carrier/DS-CDMA mobile communication system | Hiroyuki Atarashi, Sadayuki Abeta, Koichi Okawa, Takehiro Ikeda, Mamoru Sawahashi | 2007-11-20 |
| 6904078 | CDMA receiver and CDMA transmitter/receiver | Sadayuki Abeta, Mamoru Sawahashi | 2005-06-07 |
| 6757272 | Channel estimation unit, and CDMA receiver and CDMA transceiver with channel estimation unit | Sadayuki Abeta, Mamoru Sawahashi | 2004-06-29 |
| 6724806 | Variable rate transmission and reception methods, and variable rate transmission and reception devices | Yukihiko Okumura | 2004-04-20 |
| 6647003 | Channel estimation unit, and CDMA receiver and CDMA transceiver with channel estimation unit | Sadayuki Abeta, Mamoru Sawahashi | 2003-11-11 |
| 6539009 | Signal reception apparatus for DS-CDMA cellular system | Changming Zhou, Xuping Zhou, Mamoru Sawahashi | 2003-03-25 |
| RE37953 | Filter circuit for communication | Guoliang Shou, Chanming Zhou, Makoto Yamamoto, Mamoru Sawahashi, Sunao Takatori | 2002-12-31 |
| 6426949 | Signal reception apparatus for DS-CDMA communication system | Changming Zhou, Xuping Zhou, Mamoru Sawahashi | 2002-07-30 |
| 6351498 | Robust digital modulation and demodulation scheme for radio communications involving fading | Yasushi Yamao, Shogo Ito, Shinzo Ohkubo, Kobaruto Shimada | 2002-02-26 |
| 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, Mamoru Sawahashi | 2001-07-17 |
| 6240148 | Path-diversity receiving method and system of spread spectrum communication | Guoliang Shou, Changming Zhou, Xuping Zhou, Mamoru Sawahashi | 2001-05-29 |
| 6167037 | Signal transmitting method, transmitter, receiver, and spread-spectrum code synchronizing method for mobile communication system | Kenichi Higuchi, Mamoru Sawahashi, Koji Ohno, Akihiro Higashi | 2000-12-26 |
| 6108384 | Data transmittion method, data transmitting system and transmitter and receiver | Yukihiko Okumura | 2000-08-22 |
| 6084884 | CDMA communication method and group spreading modulator | — | 2000-07-04 |