Issued Patents All Time
Showing 1–25 of 106 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6563373 | Filter circuit utilizing a plurality of sampling and holding circuits | Kunihiko Suzuki, Changming Zhou | 2003-05-13 |
| RE37953 | Filter circuit for communication | Chanming Zhou, Makoto Yamamoto, Mamoru Sawahashi, Fumiyuki Adachi, Sunao Takatori | 2002-12-31 |
| 6370130 | Spread spectrum communication system | Changming Zhou, Xuping Zhou, Kunihiko Suzuki, Makoto Yamamoto | 2002-04-09 |
| 6281831 | Analog to digital converter | Ying-Chi Chen, Takashi Tomatsu | 2001-08-28 |
| 6278724 | Receiver in a spread spectrum communication system having low power analog multipliers and adders | Changming Zhou, Kunihiko Suzuki, Xuping Zhou, Xiaoling Qin, Jie Chen +2 more | 2001-08-21 |
| 6263012 | Receiver apparatus for CDMA communication system | Changming Zhou, Xuping Zhou, Mamoru Sawahashi, Fumiyuki Adachi | 2001-07-17 |
| 6252899 | Complex despreading system | Chanming Zhou | 2001-06-26 |
| 6240148 | Path-diversity receiving method and system of spread spectrum communication | Changming Zhou, Xuping Zhou, Mamoru Sawahashi, Fumiyuki Adachi | 2001-05-29 |
| 6212219 | Spread spectrum communication system | Changming Zhou, Xuping Zhou, Makoto Yamamoto, Sunao Takatori | 2001-04-03 |
| 6169771 | Matched filter for spread spectrum communication systems and hybrid analog-digital transversal filter | Changming Zhou, Xuping Zhou, Xiaoling Oin, Kazunori Motohashi, Makoto Yamamoto +1 more | 2001-01-02 |
| 6122654 | Complex multiplication circuit | Changming Zhou, Xuping Zhou | 2000-09-19 |
| 6094667 | Time spread root Nyquist filter | Xuping Zhou, Changming Zhou | 2000-07-25 |
| 6084922 | Waiting circuit | Changming Zhou, Xuping Zhou | 2000-07-04 |
| 6081549 | Phase correction method and apparatus for spectrum spread wireless communication receiver | Changming Zhou, Xuping Zhou | 2000-06-27 |
| 6073149 | Computational circuit | Kazunori Motohashi, Ying-Chi Chen, Takashi Tomatsu, Changming Zhou, Jie Chen | 2000-06-06 |
| 6040228 | Capacitance-forming method | Fumihito Ito | 2000-03-21 |
| 6038250 | Initial synchronization method and receiver for DS-CDMA inter base station asynchronous cellular system | Changming Zhou, Xuping Zhou | 2000-03-14 |
| 6031415 | Matched filter circuit for spread spectrum communication | Changming Zhou, Makoto Yamamoto, Mamoru Sawahashi, Fumiyuki Adachi, Sunao Takatori | 2000-02-29 |
| 6025752 | Inverting amplifying circuit | Changming Zhou, Shengmin Lin, Takashi Tomatsu, Jie Chen | 2000-02-15 |
| 5973538 | Sensor circuit | Kazunori Motohashi, Shengmin Lin, Makoto Yamamoto, Toshiyuki Matsumoto, Muneo Harada +2 more | 1999-10-26 |
| 5974038 | Receiver for code division multiple access communication system | Changming Zhou, Xuping Zhou, Makoto Yamamoto, Sunao Takatori | 1999-10-26 |
| 5958002 | Vector absolute--value calculation circuit | Changming Zhou, Kunihiko Suzuki, Kazunori Motohashi, Makoto Yamamoto, Sunao Takatori | 1999-09-28 |
| 5959875 | Analog signal characterizer for functional transformation | Nobuaki Kawahara, Kenzo Urabe, Changming Zhou | 1999-09-28 |
| 5956333 | Multi-user demodulator for CDMA spectrum spreading communication | Changming Zhou, Kenzo Urabe, Tetsuhiko Miyatani | 1999-09-21 |
| 5945875 | .pi./n shift phase-shift keying demodulator | Xuping Zhou, Changming Zhou | 1999-08-31 |