Inventor · disambiguated record
Sunao Takatori
Also filed as: TAKATORI SUNAO
127 granted patents·24 pending applications·1,718 citations·filing 1989–2012
99Inventor score
Top patents by PatentIndex Score
151 records- 0198US5388063AFilter circuit with switchable finite impulse response and infinite impulse response filter characteristicsYOZAN INC·Filed 1993·Granted Feb 7, 1995·166 cites·16 claims
- 0295US8442915B2Modifiable authentication levels in authentication systems for transactionsTAKATORI SUNAO·Filed 2012·Granted May 14, 2013·41 cites·20 claims
- 0393US5381352ACircuit for multiplying an analog value by a digital valueYOZAN INC·Filed 1993·Granted Jan 10, 1995·109 cites·11 claims
- 0491US5910948AAcquisition scheme and receiver for an asynchronous DS-CDMA cellular communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Jun 8, 1999·133 cites·7 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
- 0783US8117444B2Host computer, mobile communication device, program, and recording mediumTAKATORI SUNAO·Filed 2001·Granted Feb 14, 2012·28 cites·14 claims
- 0875US6421027B1Millimeter-wave signal transmission system communicatable within buildingsYOZAN INC·Filed 2001·Granted Jul 16, 2002·16 cites·11 claims
- 0975US5974038AReceiver for code division multiple access communication systemYOZAN INC·Filed 1997·Granted Oct 26, 1999·51 cites·5 claims
- 1071US7869430B2Communication terminal device and billing deviceTAKATORI SUNAO·Filed 2007·Granted Jan 11, 2011·3 cites·14 claims
- 1171US5781584ACode acquisition and tracking circuit using switched matched filter and sliding correlatorsYOZAN INC·Filed 1996·Granted Jul 14, 1998·43 cites·4 claims
- 1271US5563812AFilter device including analog and digital circuitryYOZAN INC·Filed 1995·Granted Oct 8, 1996·21 cites·17 claims
- 1371US5420806AMultiplication circuit for multiplying analog signals by digital signalsYOZAN INC·Filed 1994·Granted May 30, 1995·31 cites·4 claims
- 1470US8032460B2Authentication managing apparatus, and shop communication terminalDAITA FRONTIER FUND LLC·Filed 2001·Granted Oct 4, 2011·4 cites·15 claims
- 1569US6778654B1System for transfer control of telephone lineYOZAN INC·Filed 2000·Granted Aug 17, 2004·16 cites·21 claims
- 1664US7974247B2Communication terminal device and billing deviceDAITA FRONTIER FUND LLC·Filed 2001·Granted Jul 5, 2011·7 cites·16 claims
- 1763US6212219B1Spread spectrum communication systemYOZAN INC·Filed 1996·Granted Apr 3, 2001·32 cites·20 claims
- 1863US5500810AFilter device with memory test circuitYOZAN INC·Filed 1994·Granted Mar 19, 1996·16 cites·4 claims
- 1963US5408422AMultiplication circuit capable of directly multiplying digital data with analog dataYOZAN INC·Filed 1993·Granted Apr 18, 1995·22 cites·8 claims
- 2062US5463717AInductively coupled neural networkYOZAN INC·Filed 1990·Granted Oct 31, 1995·18 cites·5 claims
- 2162US5420807AMultiplication circuit for multiplying analog inputs by digital inputsYOZAN INC·Filed 1994·Granted May 30, 1995·18 cites·5 claims
- 2262US5396446ADigital filter circuit that minimizes holding errors transmitted between holding circuitsYOZAN INC·Filed 1993·Granted Mar 7, 1995·16 cites·6 claims
- 2359US7969918B2Slave communication device for use in wireless LAN system and control method and control program of slave communication deviceDAITA FRONTIER FUND LLC·Filed 2001·Granted Jun 28, 2011·6 cites·29 claims
- 2459US5930290ASpread spectrum communications system for high-speed communicationsYOZAN INC·Filed 1997·Granted Jul 27, 1999·26 cites·16 claims
- 2559US5774008AComputational circuitYOZAN INC·Filed 1996·Granted Jun 30, 1998·19 cites·1 claims
- 2658US5751184ALow electrical power consumption filter circuitYOZAN INC·Filed 1996·Granted May 12, 1998·14 cites·8 claims
- 2758US5737368AMatched filterSHARP KK·Filed 1996·Granted Apr 7, 1998·15 cites·6 claims
- 2858US5631941ARegister circuitYOZAN INC·Filed 1995·Granted May 20, 1997·17 cites·12 claims
- 2958US5231678AConfiguration recognition system calculating a three-dimensional distance to an object by detecting cross points projected on the objectEZEL INC·Filed 1992·Granted Jul 27, 1993·33 cites·7 claims
- 3057US5686861AFilter circuitYOZAN INC·Filed 1996·Granted Nov 11, 1997·14 cites·11 claims
- 3157US5664069AData processing systemYOZAN INC·Filed 1995·Granted Sep 2, 1997·20 cites·8 claims
- 3257US2002052839A1Charge collection methodYOZAN INC·Filed 2001·Application pending·0 cites
- 3356US5581659ASystem 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
- 3456US5465064AWeighted summing circuitYOZAN INC·Filed 1994·Granted Nov 7, 1995·17 cites·4 claims
- 3556US5457417AScaler circuitYOZAN INC·Filed 1994·Granted Oct 10, 1995·18 cites·2 claims
- 3656US5040230AAssociative pattern conversion system and adaptation method thereofEZEL INC·Filed 1989·Granted Aug 13, 1991·20 cites·10 claims
- 3754US5416370AMultiplication circuitYOZAN INC·Filed 1993·Granted May 16, 1995·15 cites·4 claims
- 3854US5408142AHold circuitYOZAN INC·Filed 1993·Granted Apr 18, 1995·15 cites·1 claims
- 3954US2002035572A1System and method for introducing a medical facilityFiled 2001·Application pending·0 cites
- 4053US7944865B2Wireless LAN system and control method and control program of wireless LAN systemDAITA FRONTIER FUND LLC·Filed 2007·Granted May 17, 2011·0 cites·28 claims
- 4153US6169771B1Matched filter for spread spectrum communication systems and hybrid analog-digital transversal filterYOZAN INC·Filed 1998·Granted Jan 2, 2001·22 cites·8 claims
- 4253US5740096AFilter circuit for communicationNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Apr 14, 1998·10 cites·2 claims
- 4353US5469102ACapacitive coupled summing circuit with signed outputYOZAN INC·Filed 1994·Granted Nov 21, 1995·15 cites·3 claims
- 4453US2003078844A1Charging systemFiled 2001·Application pending·0 cites
- 4552US5666080AComputational circuitYOZAN INC·Filed 1994·Granted Sep 9, 1997·10 cites·3 claims
- 4652US5565809AComputational circuitYOZAN INC·Filed 1995·Granted Oct 15, 1996·17 cites·1 claims
- 4752US5195171AData processing systemYOZAN INC·Filed 1991·Granted Mar 16, 1993·15 cites·3 claims
- 4851US5600270AComputational circuitYOZAN INC·Filed 1995·Granted Feb 4, 1997·17 cites·3 claims
- 4949US5502664AFilter device including SRAM and EEPROM devicesYOZAN INC·Filed 1994·Granted Mar 26, 1996·8 cites·4 claims
- 5049US5450023AInterface circuit using a limited number of pins in LSI applicationsYOZAN INC·Filed 1994·Granted Sep 12, 1995·12 cites·6 claims
Showing the top 50 of 151 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →