Inventor · disambiguated record
Tsuyoshi Nishizawa
Also filed as: NISHIZAWA TSUYOSHI
43 granted patents·1 pending application·694 citations·filing 1998–2017
98Inventor score
Files withMATSUSHITA ELECTRIC WORKS LTD27PANASONIC ELEC WORKS CO LTD7SHINETSU HANDOTAI KK4PANASONIC CORP2INO TOMOAKI1
Top patents by PatentIndex Score
44 records- 0195USD425241SHandheld electric face cleanerMATSUSHITA ELECTRIC WORKS LTD·Filed 1998·Granted May 16, 2000·77 cites·1 claims
- 0291USD513541SElectric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Jan 10, 2006·43 cites·1 claims
- 0388USD571957SElectric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 2007·Granted Jun 24, 2008·37 cites·1 claims
- 0488USD567446SElectric hair clipperMATSUSHITA ELECTRIC WORKS LTD·Filed 2007·Granted Apr 22, 2008·39 cites·1 claims
- 0585USD506437SChargerMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Jun 21, 2005·29 cites·1 claims
- 0684USD572408SElectric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 2007·Granted Jul 1, 2008·30 cites·1 claims
- 0780USD587849SElectric shaverMATSUSHITA ELECTRIC WORKS CO LTD·Filed 2008·Granted Mar 3, 2009·26 cites·1 claims
- 0879USD669028SCharging stand for an electric shaverINO TOMOAKI·Filed 2012·Granted Oct 16, 2012·24 cites·1 claims
- 0977USD570544SElectric hair clipperMATSUSHITA ELECTRIC WORKS LTD·Filed 2007·Granted Jun 3, 2008·22 cites·1 claims
- 1077USD514745SElectric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Feb 7, 2006·21 cites·1 claims
- 1176US8021968B2Susceptor and method for manufacturing silicon epitaxial waferSHINETSU HANDOTAI KK·Filed 2008·Granted Sep 20, 2011·5 cites·5 claims
- 1276USD481491SElectric razorMATSUSHITA ELECTRIC WORKS LTD·Filed 2002·Granted Oct 28, 2003·22 cites·1 claims
- 1375USD621097SElectric shaverPANASONIC ELEC WORKS CO LTD·Filed 2009·Granted Aug 3, 2010·19 cites·1 claims
- 1475USD571956SElectric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 2007·Granted Jun 24, 2008·20 cites·1 claims
- 1574USD479360SElectric razorMATSUSHITA ELECTRIC WORKS LTD·Filed 2002·Granted Sep 2, 2003·20 cites·1 claims
- 1673USD514254SElectric shaverMATSUSHITA ELECTRONIC WORKS·Filed 2004·Granted Jan 31, 2006·20 cites·1 claims
- 1773USD512962SCharger for an electric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Dec 20, 2005·18 cites·1 claims
- 1872USD549647SCharger with washing apparatusMATSUSHITA ELECTRIC WORKS LTD·Filed 2006·Granted Aug 28, 2007·18 cites·1 claims
- 1971US7615116B2Method for producing silicon epitaxial wafer and silicon epitaxial waferSHINETSU HANDOTAI KK·Filed 2004·Granted Nov 10, 2009·8 cites·1 claims
- 2068USD471671SElectric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 2002·Granted Mar 11, 2003·15 cites·1 claims
- 2167USD549875SElectric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 2006·Granted Aug 28, 2007·15 cites·1 claims
- 2264USD613684SCharger with washing apparatusPANASONIC ELEC WORKS CO LTD·Filed 2009·Granted Apr 13, 2010·12 cites·1 claims
- 2364USD549874SElectric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 2006·Granted Aug 28, 2007·13 cites·1 claims
- 2464USD511590SElectric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Nov 15, 2005·12 cites·1 claims
- 2563US7377978B2Method for producing silicon epitaxial wafer and silicon epitaxial waferSHINETSU HANDOTAI KK·Filed 2004·Granted May 27, 2008·8 cites·9 claims
- 2663US7350300B2ShaverMATSUSHITA ELECTRIC WORKS LTD·Filed 2003·Granted Apr 1, 2008·16 cites·20 claims
- 2762USD621545SElectric shaverPANASONIC ELEC WORKS CO LTD·Filed 2009·Granted Aug 10, 2010·11 cites·1 claims
- 2859USD511398SElectric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Nov 8, 2005·10 cites·1 claims
- 2958USD571960SElectric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 2007·Granted Jun 24, 2008·10 cites·1 claims
- 3055USD577666SCharger for electric shaver with dryerMATSUSHITA ELECTRIC WORKS LTD·Filed 2007·Granted Sep 30, 2008·9 cites·1 claims
- 3155USD523586SElectric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 2005·Granted Jun 20, 2006·9 cites·1 claims
- 3254USD494318SHair dryerMATSUSHITA ELECTRIC WORKS LTD·Filed 2002·Granted Aug 10, 2004·11 cites·1 claims
- 3352USD674143SElectric shaverPANASONIC CORP·Filed 2012·Granted Jan 8, 2013·9 cites·1 claims
- 3452USD623353SElectric shaverPANASONIC ELEC WORKS CO LTD·Filed 2009·Granted Sep 7, 2010·7 cites·1 claims
- 3552USD610308SElectric shaverPANASONIC ELEC WORKS CO LTD·Filed 2009·Granted Feb 16, 2010·7 cites·1 claims
- 3648US2010282170A1Vapor phase growth susceptor and vapor phase growth apparatusNISHIZAWA TSUYOSHI·Filed 2008·Application pending·0 cites
- 3744USD674554SElectric shaverPANASONIC CORP·Filed 2012·Granted Jan 15, 2013·6 cites·1 claims
- 3843USD610309SElectric shaverPANASONIC ELEC WORKS CO LTD·Filed 2009·Granted Feb 16, 2010·4 cites·1 claims
- 3941USD578474SCharger for electric shaver with dryerMATSUSHITA ELECTRIC WORKS LTD·Filed 2007·Granted Oct 14, 2008·4 cites·1 claims
- 4041USD570543SElectric hair clipperMATSUSHITA ELECTRIC WORKS LTD·Filed 2007·Granted Jun 3, 2008·4 cites·1 claims
- 4140USD648486SElectric shaverPANASONIC ELEC WORKS CO LTD·Filed 2011·Granted Nov 8, 2011·3 cites·1 claims
- 4238US10707140B2Method for evaluating surface defects of substrate to be bondedSHINETSU HANDOTAI KK·Filed 2017·Granted Jul 7, 2020·0 cites·2 claims
- 4333USD571959SElectric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 2007·Granted Jun 24, 2008·1 cites·1 claims
- 4430USD571958SElectric shaverMATSUSHITA ELECTRIC WORKS LTD·Filed 2007·Granted Jun 24, 2008·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →