Inventor · disambiguated record
Kazutaka Arai
Also filed as: ARAI KAZUTAKA
16 granted patents·2 pending applications·62 citations·filing 1982–2024
91Inventor score
Top patents by PatentIndex Score
18 records- 0169US4892675AOptically active polymer and liquid crystal composition containing sameCANON KK·Filed 1988·Granted Jan 9, 1990·15 cites·12 claims
- 0265US4611088AProcess for preparing D-α-(6-methoxy-2-naphtyl) propionic acidNISSAN CHEMICAL IND LTD·Filed 1984·Granted Sep 9, 1986·7 cites·15 claims
- 0365US4577025AMethod of preparing α-aromatic propionic acids and intermediates thereofNISSAN CHEMICAL IND LTD·Filed 1983·Granted Mar 18, 1986·7 cites·26 claims
- 0464US4417070AProcess for preparing an optical active ester of naphthylpropionic acidNISSAN CHEMICAL IND LTD·Filed 1982·Granted Nov 22, 1983·8 cites·11 claims
- 0559US5191112AProcess for optical resolution of (±)-2-(3-benzoyl)-phenylpropionic acidNISSAN CHEMICAL IND LTD·Filed 1990·Granted Mar 2, 1993·6 cites·5 claims
- 0658US2023357479A1Pigment dispersant composition, production method therefor, pigment dispersion, and actinic-ray-curable ink-jet inkDAINICHISEIKA COLOR CHEM·Filed 2021·Application pending·0 cites
- 0756US4994619ASubstituted cyclic ketones, substituted cyclic enones, and process for producing the sameNISSAN CHEMICAL IND LTD·Filed 1988·Granted Feb 19, 1991·4 cites·10 claims
- 0855US2024367040A1Non-transitory computer readable medium, information processing method, gaming device, and information processing systemCYGAMES INC·Filed 2024·Application pending·0 cites
- 0954US5254708ASubstituted cyclic ketones, substituted cyclic enones, and process for producing the sameNISSAN CHEMICAL IND LTD·Filed 1990·Granted Oct 19, 1993·5 cites·8 claims
- 1054US4837344AOptically active bicyclo carboxylic acids and their derivativesNISSAN CHEMICAL IND LTD·Filed 1987·Granted Jun 6, 1989·4 cites·5 claims
- 1151US10982020B2A-B block co-polymer, A-B block co-polymer production method, resin treatment pigment composition, resin treatment pigment composition production method, pigment dispersion, and pigment dispersion solutionDAINICHISEIKA COLOR CHEM·Filed 2014·Granted Apr 20, 2021·0 cites·15 claims
- 1249US5089625ASubstituted cyclic kentones, substituted cyclic enonesNISSAN CHEMICAL IND LTD·Filed 1990·Granted Feb 18, 1992·3 cites·10 claims
- 1347US12485352B2Program, information processing device, method, and systemCYGAMES INC·Filed 2023·Granted Dec 2, 2025·0 cites·10 claims
- 1436US5380900Aα-methylenecyclopentanone derivative and process for producing the sameNISSAN CHEMICAL IND LTD·Filed 1992·Granted Jan 10, 1995·1 cites·15 claims
- 1535US5231208ASubstituted cyclic ketones, substituted cyclic enones, and process for producing the sameNISSAN CHEMICAL IND LTD·Filed 1990·Granted Jul 27, 1993·1 cites·10 claims
- 1635US5227505ASubstituted cyclic ketones, substituted cyclic enones, and process for producing the sameNISSAN CHEMICAL IND LTD·Filed 1990·Granted Jul 13, 1993·1 cites·12 claims
- 1729US9187718B2Rinsing agent, and method for production of hard disk substrateIWAMOTO NOBUHIRO·Filed 2011·Granted Nov 17, 2015·0 cites·1 claims
- 1825US4709082A2-phenylpropionic acid esters, method for optical resolution thereof and optically active substance thereofNISSAN CHEMICAL IND LTD·Filed 1985·Granted Nov 24, 1987·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →