Assignee
YOZAN INC
JP·147 granted patents·5 pending applications·2,560 citations·filing 1990–2001
Top patents by PatentIndex Score
152 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
- 0298US5388063AFilter circuit with switchable finite impulse response and infinite impulse response filter characteristicsYOZAN INC·Filed 1993·Granted Feb 7, 1995·166 cites·16 claims
- 0393US5381352ACircuit for multiplying an analog value by a digital valueYOZAN INC·Filed 1993·Granted Jan 10, 1995·109 cites·11 claims
- 0488US6512785B1Matched filter bankYOZAN INC·Filed 1999·Granted Jan 28, 2003·100 cites·18 claims
- 0588US5812546ADemodulator for CDMA spread spectrum communication using multiple pn codesYOZAN INC·Filed 1997·Granted Sep 22, 1998·105 cites·18 claims
- 0684US6763231B2Radio communication device, parent communication device, parent-child communication device and radio communication systemYOZAN INC·Filed 2000·Granted Jul 13, 2004·38 cites·42 claims
- 0783US6370130B1Spread spectrum communication systemYOZAN INC·Filed 1998·Granted Apr 9, 2002·75 cites·25 claims
- 0882US6084922AWaiting circuitYOZAN INC·Filed 1998·Granted Jul 4, 2000·102 cites·16 claims
- 0982US5627912AInspection method of inclination of an ICYOZAN INC·Filed 1995·Granted May 6, 1997·69 cites·16 claims
- 1075US6421027B1Millimeter-wave signal transmission system communicatable within buildingsYOZAN INC·Filed 2001·Granted Jul 16, 2002·16 cites·11 claims
- 1175US5974038AReceiver for code division multiple access communication systemYOZAN INC·Filed 1997·Granted Oct 26, 1999·51 cites·5 claims
- 1275US5956333AMulti-user demodulator for CDMA spectrum spreading communicationYOZAN INC·Filed 1997·Granted Sep 21, 1999·53 cites·20 claims
- 1374US5239590AFingerprint verification methodYOZAN INC·Filed 1991·Granted Aug 24, 1993·65 cites·67 claims
- 1471US5781584ACode acquisition and tracking circuit using switched matched filter and sliding correlatorsYOZAN INC·Filed 1996·Granted Jul 14, 1998·43 cites·4 claims
- 1571US5563812AFilter device including analog and digital circuitryYOZAN INC·Filed 1995·Granted Oct 8, 1996·21 cites·17 claims
- 1671US5420806AMultiplication circuit for multiplying analog signals by digital signalsYOZAN INC·Filed 1994·Granted May 30, 1995·31 cites·4 claims
- 1769US6778654B1System for transfer control of telephone lineYOZAN INC·Filed 2000·Granted Aug 17, 2004·16 cites·21 claims
- 1868US6388583B1Method and circuit for codes generationYOZAN INC·Filed 2000·Granted May 14, 2002·12 cites·6 claims
- 1963US6212219B1Spread spectrum communication systemYOZAN INC·Filed 1996·Granted Apr 3, 2001·32 cites·20 claims
- 2063US5500810AFilter device with memory test circuitYOZAN INC·Filed 1994·Granted Mar 19, 1996·16 cites·4 claims
- 2163US5408422AMultiplication circuit capable of directly multiplying digital data with analog dataYOZAN INC·Filed 1993·Granted Apr 18, 1995·22 cites·8 claims
- 2262US5463717AInductively coupled neural networkYOZAN INC·Filed 1990·Granted Oct 31, 1995·18 cites·5 claims
- 2362US5420807AMultiplication circuit for multiplying analog inputs by digital inputsYOZAN INC·Filed 1994·Granted May 30, 1995·18 cites·5 claims
- 2462US5396446ADigital filter circuit that minimizes holding errors transmitted between holding circuitsYOZAN INC·Filed 1993·Granted Mar 7, 1995·16 cites·6 claims
- 2562US5351304AFingerprint data registration methodYOZAN INC·Filed 1993·Granted Sep 27, 1994·66 cites·4 claims
- 2659US5930290ASpread spectrum communications system for high-speed communicationsYOZAN INC·Filed 1997·Granted Jul 27, 1999·26 cites·16 claims
- 2759US5774008AComputational circuitYOZAN INC·Filed 1996·Granted Jun 30, 1998·19 cites·1 claims
- 2859US5610993AMethod of co-centering two images using histograms of density changeYOZAN INC·Filed 1992·Granted Mar 11, 1997·60 cites·4 claims
- 2958US5751184ALow electrical power consumption filter circuitYOZAN INC·Filed 1996·Granted May 12, 1998·14 cites·8 claims
- 3058US5631941ARegister circuitYOZAN INC·Filed 1995·Granted May 20, 1997·17 cites·12 claims
- 3157US5686861AFilter circuitYOZAN INC·Filed 1996·Granted Nov 11, 1997·14 cites·11 claims
- 3257US5664069AData processing systemYOZAN INC·Filed 1995·Granted Sep 2, 1997·20 cites·8 claims
- 3357US2002052839A1Charge collection methodYOZAN INC·Filed 2001·Application pending·0 cites
- 3456US5581659ASystem for solving an adaptation problem by adjusting weights of a neural network based on changes in a cost functionYOZAN INC·Filed 1994·Granted Dec 3, 1996·16 cites·25 claims
- 3556US5465064AWeighted summing circuitYOZAN INC·Filed 1994·Granted Nov 7, 1995·17 cites·4 claims
- 3656US5457417AScaler circuitYOZAN INC·Filed 1994·Granted Oct 10, 1995·18 cites·2 claims
- 3755US6064690ASpread spectrum communication systemYOZAN INC·Filed 1998·Granted May 16, 2000·26 cites·16 claims
- 3854US6081549APhase correction method and apparatus for spectrum spread wireless communication receiverYOZAN INC·Filed 1998·Granted Jun 27, 2000·21 cites·10 claims
- 3954US5416370AMultiplication circuitYOZAN INC·Filed 1993·Granted May 16, 1995·15 cites·4 claims
- 4054US5408142AHold circuitYOZAN INC·Filed 1993·Granted Apr 18, 1995·15 cites·1 claims
- 4153US6252899B1Complex despreading systemYOZAN INC·Filed 1998·Granted Jun 26, 2001·23 cites·8 claims
- 4253US6169771B1Matched filter for spread spectrum communication systems and hybrid analog-digital transversal filterYOZAN INC·Filed 1998·Granted Jan 2, 2001·22 cites·8 claims
- 4353US5469102ACapacitive coupled summing circuit with signed outputYOZAN INC·Filed 1994·Granted Nov 21, 1995·15 cites·3 claims
- 4452US6389438B1Matched filter and signal reception apparatusYOZAN INC·Filed 1999·Granted May 14, 2002·19 cites·20 claims
- 4552US6300823B1Filter circuitYOZAN INC·Filed 1999·Granted Oct 9, 2001·11 cites·11 claims
- 4652US5666080AComputational circuitYOZAN INC·Filed 1994·Granted Sep 9, 1997·10 cites·3 claims
- 4752US5565809AComputational circuitYOZAN INC·Filed 1995·Granted Oct 15, 1996·17 cites·1 claims
- 4852US5195171AData processing systemYOZAN INC·Filed 1991·Granted Mar 16, 1993·15 cites·3 claims
- 4951US5600270AComputational circuitYOZAN INC·Filed 1995·Granted Feb 4, 1997·17 cites·3 claims
- 5049US6281831B1Analog to digital converterYOZAN INC·Filed 1998·Granted Aug 28, 2001·14 cites·13 claims
Showing the top 50 of 152 patent records by PatentIndex Score.
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