Issued Patents All Time
Showing 26–50 of 106 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5930290 | Spread spectrum communications system for high-speed communications | Changming Zhou, Xuping Zhou, Makoto Yamamoto, Sunao Takatori, Kenzo Urabe | 1999-07-27 |
| 5930157 | Autocorrelation coefficient operator having analog circuit element | Ichiro Matsumoto, Changming Zhou | 1999-07-27 |
| 5926512 | Matched filter circuit | Changming Zhou, Makoto Yamamoto, Sunao Takatori, Mamoru Sawahashi, Fumiyuki Adachi | 1999-07-20 |
| 5917343 | MOS inverter circuit | Kazunori Motohashi, Makoto Yamamoto, Sunao Takatori | 1999-06-29 |
| 5910948 | Acquisition scheme and receiver for an asynchronous DS-CDMA cellular communication system | Changming Zhou, Xuping Zhou, Makoto Yamamoto, Sunao Takatori, Mamoru Sawahashi +1 more | 1999-06-08 |
| 5892266 | Layout structure of capacitive element(s) and interconnections in a semiconductor | Yoshihiro Hirota, Toshiyuki Matsumoto, Kazunori Motohashi | 1999-04-06 |
| 5887024 | Matched filter | Xiaoling Qin, Kunihiko Suzuki, Changming Zhou, Jie Chen | 1999-03-23 |
| 5872466 | Matched filter circuit | Changming Zhou, Makoto Yamamoto, Sunao Takatori | 1999-02-16 |
| 5864312 | Quantizing circuit | Makoto Yamamoto, Sunao Takatori | 1999-01-26 |
| 5862070 | Discrete cosine transformation circuit | Jie Chen, Chanming Zhou, Sunao Takatori | 1999-01-19 |
| 5848096 | Communication method and system using different spreading codes | Changming Zhou, Makoto Yamamoto, Mamoru Sawahashi, Fumiyuki Adachi, Sunao Takatori | 1998-12-08 |
| 5844937 | Matched filter system | Changming Zhou, Makoto Yamamoto, Kenzo Urabe, Sunao Takatori | 1998-12-01 |
| 5841315 | Matched filter circuit | Changming Zhou, Kazunori Motohashi, Xiaoling Qin, Shengmin Lin, Makoto Yamamoto +1 more | 1998-11-24 |
| 5815812 | Soft handoff system of spread spectrum communication | Changming Zhou, Makoto Yamamoto, Mamoru Sawahashi, Fumiyuki Adachi, Sunao Takatori | 1998-09-29 |
| 5815021 | Weight addition circuit | Changming Zhou, Kazunori Motohashi, Makoto Yamamoto, Sunao Takatori | 1998-09-29 |
| 5811859 | MOS inverter forming method | Kazunori Motohashi, Makoto Yamamoto, Sunao Takatori | 1998-09-22 |
| 5812546 | Demodulator for CDMA spread spectrum communication using multiple pn codes | Changming Zhou, Xuping Zhou, Makoto Yamamoto, Kenzo Urabe, Sunao Takatori | 1998-09-22 |
| 5793321 | A/D converting circuit with quantizers and inverted amplifiers | Kazunori Motohashi, Makoto Yamamoto, Sunao Takatori | 1998-08-11 |
| 5789962 | Multiplication circuit | Kazunori Motohashi, Jian Luo, Sunao Takatori, Makoto Yamamoto | 1998-08-04 |
| 5790590 | Matched filter circuit | Changming Zhou, Makoto Yamamoto, Sunao Takatori, Mamoru Sawahashi, Fumiyuki Adachi | 1998-08-04 |
| 5783961 | Inverted amplifying circuit | Changming Zhou, Makoto Yamamoto, Sunao Takatori | 1998-07-21 |
| 5781584 | Code acquisition and tracking circuit using switched matched filter and sliding correlators | Changming Zhou, Makoto Yamamoto, Sunao Takatori | 1998-07-14 |
| 5774008 | Computational circuit | Sunao Takatori, Makoto Yamamoto | 1998-06-30 |
| 5754134 | Apparatus for performing successive steps of simultaneous multi-level analog to digital conversion | Kazunori Motohashi, Makoto Yamamoto, Sunao Takatori | 1998-05-19 |
| 5754133 | Register circuit having a plurality of thresholding circuits | Makoto Yamamoto, Sunao Takatori | 1998-05-19 |