Inventor · disambiguated record
Changming Zhou
Also filed as: ZHOU CHANGMING
47 granted patents·3 pending applications·1,377 citations·filing 1996–2001
98Inventor score
Top patents by PatentIndex Score
50 records- 0198US6038250AInitial synchronization method and receiver for DS-CDMA inter base station asynchronous cellular systemYOZAN INC·Filed 1998·Granted Mar 14, 2000·301 cites·16 claims
- 0291US5910948AAcquisition scheme and receiver for an asynchronous DS-CDMA cellular communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Jun 8, 1999·133 cites·7 claims
- 0388US6512785B1Matched filter bankYOZAN INC·Filed 1999·Granted Jan 28, 2003·100 cites·18 claims
- 0488US5812546ADemodulator for CDMA spread spectrum communication using multiple pn codesYOZAN INC·Filed 1997·Granted Sep 22, 1998·105 cites·18 claims
- 0583US6370130B1Spread spectrum communication systemYOZAN INC·Filed 1998·Granted Apr 9, 2002·75 cites·25 claims
- 0682US6084922AWaiting circuitYOZAN INC·Filed 1998·Granted Jul 4, 2000·102 cites·16 claims
- 0775US5974038AReceiver for code division multiple access communication systemYOZAN INC·Filed 1997·Granted Oct 26, 1999·51 cites·5 claims
- 0875US5956333AMulti-user demodulator for CDMA spectrum spreading communicationYOZAN INC·Filed 1997·Granted Sep 21, 1999·53 cites·20 claims
- 0971US5781584ACode acquisition and tracking circuit using switched matched filter and sliding correlatorsYOZAN INC·Filed 1996·Granted Jul 14, 1998·43 cites·4 claims
- 1068US6388583B1Method and circuit for codes generationYOZAN INC·Filed 2000·Granted May 14, 2002·12 cites·6 claims
- 1163US6212219B1Spread spectrum communication systemYOZAN INC·Filed 1996·Granted Apr 3, 2001·32 cites·20 claims
- 1259US5930290ASpread spectrum communications system for high-speed communicationsYOZAN INC·Filed 1997·Granted Jul 27, 1999·26 cites·16 claims
- 1358US5737368AMatched filterSHARP KK·Filed 1996·Granted Apr 7, 1998·15 cites·6 claims
- 1455US6064690ASpread spectrum communication systemYOZAN INC·Filed 1998·Granted May 16, 2000·26 cites·16 claims
- 1554US6081549APhase correction method and apparatus for spectrum spread wireless communication receiverYOZAN INC·Filed 1998·Granted Jun 27, 2000·21 cites·10 claims
- 1653US6169771B1Matched filter for spread spectrum communication systems and hybrid analog-digital transversal filterYOZAN INC·Filed 1998·Granted Jan 2, 2001·22 cites·8 claims
- 1753US5740096AFilter circuit for communicationNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Apr 14, 1998·10 cites·2 claims
- 1852US6389438B1Matched filter and signal reception apparatusYOZAN INC·Filed 1999·Granted May 14, 2002·19 cites·20 claims
- 1952US6300823B1Filter circuitYOZAN INC·Filed 1999·Granted Oct 9, 2001·11 cites·11 claims
- 2050US5959875AAnalog signal characterizer for functional transformationKOKUSAI ELECTRIC CO LTD·Filed 1997·Granted Sep 28, 1999·15 cites·17 claims
- 2147US6278724B1Receiver in a spread spectrum communication system having low power analog multipliers and addersYOZAN INC·Filed 1998·Granted Aug 21, 2001·16 cites·27 claims
- 2247US5848096ACommunication method and system using different spreading codesNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Dec 8, 1998·15 cites·3 claims
- 2346US6426949B1Signal reception apparatus for DS-CDMA communication systemYOZAN INC·Filed 1998·Granted Jul 30, 2002·14 cites·6 claims
- 2445US6031415AMatched filter circuit for spread spectrum communicationNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Feb 29, 2000·14 cites·14 claims
- 2544US6539009B1Signal reception apparatus for DS-CDMA cellular systemYOZAN INC·Filed 1998·Granted Mar 25, 2003·12 cites·16 claims
- 2644US5926512AMatched filter circuitYOZAN INC·Filed 1996·Granted Jul 20, 1999·8 cites·21 claims
- 2742US6563373B1Filter circuit utilizing a plurality of sampling and holding circuitsYOZAN INC·Filed 1998·Granted May 13, 2003·11 cites·8 claims
- 2842US6122654AComplex multiplication circuitYOZAN INC·Filed 1998·Granted Sep 19, 2000·9 cites·9 claims
- 2942US5930157AAutocorrelation coefficient operator having analog circuit elementKOKUSAI ELECTRIC CO LTD·Filed 1997·Granted Jul 27, 1999·9 cites·17 claims
- 3042US5790590AMatched filter circuitYOZAN INC·Filed 1996·Granted Aug 4, 1998·11 cites·14 claims
- 3141US5783961AInverted amplifying circuitSHARP KK·Filed 1996·Granted Jul 21, 1998·7 cites·4 claims
- 3241US2003003973A1Radio communication apparatus, radio communication system and communication apparatusFiled 2001·Application pending·0 cites
- 3340US6025752AInverting amplifying circuitYOZAN INC·Filed 1998·Granted Feb 15, 2000·7 cites·23 claims
- 3438US6340942B1Analog to digital converterYOZAN INC·Filed 1999·Granted Jan 22, 2002·9 cites·14 claims
- 3538US5844937AMatched filter systemKOKUSAI ELECTRIC CO LTD·Filed 1996·Granted Dec 1, 1998·5 cites·18 claims
- 3637US6094667ATime spread root Nyquist filterYOZAN INC·Filed 1998·Granted Jul 25, 2000·4 cites·16 claims
- 3737US5751624AComplex number calculation circuitSHARP KK·Filed 1996·Granted May 12, 1998·6 cites·24 claims
- 3836US5945875Aπ/n shift phase-shift keying demodulatorYOZAN INC·Filed 1998·Granted Aug 31, 1999·8 cites·3 claims
- 3934US5958002AVector absolute--value calculation circuitYOZAN INC·Filed 1997·Granted Sep 28, 1999·3 cites·15 claims
- 4034US5887024AMatched filterYOZAN INC·Filed 1996·Granted Mar 23, 1999·4 cites·4 claims
- 4134US5872466AMatched filter circuitYOZAN INC·Filed 1996·Granted Feb 16, 1999·3 cites·10 claims
- 4234US5841315AMatched filter circuitYOZAN INC·Filed 1996·Granted Nov 24, 1998·4 cites·6 claims
- 4333US6263012B1Receiver apparatus for CDMA communication systemYOZAN INC·Filed 1998·Granted Jul 17, 2001·4 cites·8 claims
- 4433US6240148B1Path-diversity receiving method and system of spread spectrum communicationNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted May 29, 2001·4 cites·5 claims
- 4533US5815812ASoft handoff system of spread spectrum communicationNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Sep 29, 1998·4 cites·8 claims
- 4632US6625205B1Matched filter circuitYOZAN CORP·Filed 1999·Granted Sep 23, 2003·7 cites·10 claims
- 4732US6073149AComputational circuitYOZAN INC·Filed 1998·Granted Jun 6, 2000·5 cites·6 claims
- 4832US5815021AWeight addition circuitYOZAN INC·Filed 1996·Granted Sep 29, 1998·2 cites·6 claims
- 4931US2003012270A1ReceiverFiled 2001·Application pending·0 cites
- 5027US2002114197A1Address converter, interleaver and de-interleaverFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →