Inventor · disambiguated record
Tsutomu Nishizawa
Also filed as: NISHIZAWA TSUTOMU · NISHIZAWA TUTOMU
39 granted patents·1 pending application·559 citations·filing 1975–2010
98Inventor score
Top patents by PatentIndex Score
40 records- 0193US4360447AComposition for liquid crystal color display elementsMITSUI TOATSU CHEMICALS·Filed 1980·Granted Nov 23, 1982·38 cites·8 claims
- 0292US5024926AAlkylphthalocyanine near-infrared absorbers and recording/display materials using the sameMITSUI TOATSU CHEMICALS·Filed 1990·Granted Jun 18, 1991·39 cites·8 claims
- 0391US4824882APolarizing filmMITSUI TOATSU CHEMICALS·Filed 1985·Granted Apr 25, 1989·78 cites·4 claims
- 0491US4808503AElectrophotographic receptors with charge generating azo-substituted tetraphenyl-thiophene or thiophene 1,1-dioxideMITSUI TOATSU CHEMICALS·Filed 1987·Granted Feb 28, 1989·36 cites·16 claims
- 0589US4960538A1,2-naphthalocyanine near-infrared absorbent and recording/display materials using sameMITSUI TOATSU CHEMICALS·Filed 1988·Granted Oct 2, 1990·24 cites·16 claims
- 0686US5059356APolarizing filmMITSUI TOATSU CHEMICALS·Filed 1990·Granted Oct 22, 1991·67 cites·4 claims
- 0781US4842781AColored polarizing film and method of making sameMITSUI TOATSU CHEMICALS·Filed 1988·Granted Jun 27, 1989·49 cites·3 claims
- 0879US5072021AOptically active naphthalene derivativesMITSUI TOATSU CHEMICALS·Filed 1990·Granted Dec 10, 1991·16 cites·3 claims
- 0979US4302396AChlorinated 4-methylphthalic anhydridesMITSUI TOATSU CHEMICALS·Filed 1978·Granted Nov 24, 1981·12 cites·1 claims
- 1078US5286418APolarizing filmMITSUI TOATSU CHEMICALS·Filed 1991·Granted Feb 15, 1994·44 cites·2 claims
- 1177US4555355AComposition for liquid crystal color displayMITSUI TOATSU CHEMICALS·Filed 1983·Granted Nov 26, 1985·10 cites·7 claims
- 1276US4304683AComposition for liquid crystal color display elementMITSUI TOATSU CHEMICALS·Filed 1980·Granted Dec 8, 1981·34 cites·8 claims
- 1372US7701485B2High resolution imaging apparatus with reduced dataNIKON CORP·Filed 2005·Granted Apr 20, 2010·3 cites·5 claims
- 1470US6849431B2Non-B, non-C, non-G hepatitis virus gene, polynucleotide, polypeptide, virus particle, method for isolating virus particle, and method for detecting virusRYOJI TAMURA·Filed 2004·Granted Feb 1, 2005·3 cites·4 claims
- 1569US4970021APhthalocyanine compounds and utility thereofMITSUI TOATSU CHEMICALS·Filed 1988·Granted Nov 13, 1990·9 cites·3 claims
- 1668US5235104AHydrazones and electrophotographic photoreceptors comprising themMITSUI TOATSU CHEMICALS·Filed 1992·Granted Aug 10, 1993·9 cites·10 claims
- 1765US7922621B1Physical exercise condition detecting apparatus of muscle force training machineSYSTEM INSTRUMENTS CO LTD·Filed 2010·Granted Apr 12, 2011·5 cites·1 claims
- 1864US5132190AHydrozones and electrophotographic photoreceptors comprising themMITSUI TOATSU CHEMICALS·Filed 1990·Granted Jul 21, 1992·8 cites·12 claims
- 1964US2005158343A1Non-B, non-C, non-G hepatitis virus gene, polynucleotide, polypeptide, virus particle, method for isolating virus particle, and method for detecting virusFiled 2004·Application pending·0 cites
- 2059US5582774AAlkylphthalocyanine near-infrared absorbers and recording/display materials using the sameMITSUI TOATSU CHEMICALS·Filed 1991·Granted Dec 10, 1996·5 cites·4 claims
- 2158US5449587ACompact disk-write once type optical recording mediaMITSUI TOATSU CHEMICALS·Filed 1994·Granted Sep 12, 1995·7 cites·2 claims
- 2251US7391448B2Imaging deviceNIKON CORP·Filed 2003·Granted Jun 24, 2008·5 cites·6 claims
- 2350US8150188B2Imaging apparatusNISHIZAWA TSUTOMU·Filed 2008·Granted Apr 3, 2012·0 cites·16 claims
- 2450US8139856B2Image processing apparatus, imaging apparatus, and computer readable medium irregularizing pixel signals continuous in level near a saturation levelHATTORI YUKO·Filed 2007·Granted Mar 20, 2012·0 cites·17 claims
- 2550US5446141AAlkylphthalocyanine near-infrared absorbers and recording/display materials using the sameMITSUI TOATSU CHEMICALS·Filed 1992·Granted Aug 29, 1995·9 cites·6 claims
- 2649US3960479AColoring of organic materials with asymmetric thioindigoid compoundsMITSUI TOATSU CHEMICALS·Filed 1975·Granted Jun 1, 1976·3 cites·8 claims
- 2747US5354513APolarizing filmMITSUI TOATSU CHEMICALS·Filed 1993·Granted Oct 11, 1994·11 cites·2 claims
- 2847US4033923AColoring resins by mixing naphthacenequinones therewithMITSUI TOATSU CHEMICALS·Filed 1976·Granted Jul 5, 1977·6 cites·10 claims
- 2945US5252769AAnthraquinonic colorant and polarizing film containing the colorantMITSUI TOATSU CHEMICALS·Filed 1992·Granted Oct 12, 1993·2 cites·2 claims
- 3044US4734218ADichroic azo dyestuffs and liquid crystal composition containing said dyestuffsMITSUI TOATSU CHEMICALS·Filed 1985·Granted Mar 29, 1988·8 cites·17 claims
- 3143US4963449AP-amino substituted tetraphenylthiophenes and electrophotographic photoreceptors containing themMITSUI TOATSU CHEMICALS·Filed 1988·Granted Oct 16, 1990·4 cites·13 claims
- 3241US5023343AP-amino substituted tetraphenylthiophenes and electrophotographic photoreceptors containing themMITSUI TOATSU CHEMICALS·Filed 1990·Granted Jun 11, 1991·1 cites·7 claims
- 3340US4459218AComposition for liquid crystal color displayMITSUI TOATSU CHEMICALS·Filed 1981·Granted Jul 10, 1984·6 cites·6 claims
- 3436US4536320ANematic liquid crystalline compositionMITSUI TOATSU CHEMICALS·Filed 1983·Granted Aug 20, 1985·1 cites·1 claims
- 3536US4032539AColoring of organic materials with asymmetric thioindigoid compoundsMITSUI TOATSU CHEMICALS·Filed 1975·Granted Jun 28, 1977·1 cites·9 claims
- 3634US5382465AAnthraquinonic colorant and polarizing film containing the colorantMITSUI TOATSU CHEMICALS·Filed 1993·Granted Jan 17, 1995·3 cites·2 claims
- 3732US4808507AElectrophotographic photoreceptor 2-Phenyl-benzooxazole bisazo basedMITSUI TOATSU CHEMICALS·Filed 1987·Granted Feb 28, 1989·0 cites·9 claims
- 3829US4473486AComposition for liquid crystal color display elementsMITSUI TOATSU CHEMICALS·Filed 1982·Granted Sep 25, 1984·2 cites·17 claims
- 3927US3986826ADyeing synthetic and semisynthetic materials with naphthacenequinine derivativesMITSUI TOATSU CHEMICALS·Filed 1975·Granted Oct 19, 1976·0 cites·7 claims
- 4025US4552684ADichroic dye and liquid crystalline composition for color displayMITSUI TOATSU CHEMICALS·Filed 1984·Granted Nov 12, 1985·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →