Inventor · disambiguated record
Kazunori Iwakura
Also filed as: IWAKURA KAZUNORI
18 granted patents·6 pending applications·149 citations·filing 1994–2011
94Inventor score
Top patents by PatentIndex Score
24 records- 0192US6624324B2Process for producing optically active hemiestersSUMITOMO CHEMICAL CO·Filed 2002·Granted Sep 23, 2003·37 cites·15 claims
- 0288US6849202B2Compound having phenylacetylene structure, liquid crystal composition, polymer, optically anisotropic product, optical or liquid crystal element, dibenzothiophene compound, intermediate, and process for producing the sameSUMITOMO CHEMICAL CO·Filed 2002·Granted Feb 1, 2005·15 cites·7 claims
- 0385US6623810B2Phenylacetylene compound, liquid crystal composition, and liquid crystal element produced with the sameSUMITOMO CHEMICAL CO·Filed 2001·Granted Sep 23, 2003·15 cites·8 claims
- 0476US7135579B2Dibenzothiophene oxide compound, and process for producing the sameSUMITOMO CHEMICAL CO·Filed 2004·Granted Nov 14, 2006·5 cites·9 claims
- 0573US7399873B2Process for the preparation of carboxylic acid estersSUMITOMO CHEMICAL CO·Filed 2007·Granted Jul 15, 2008·2 cites·9 claims
- 0669US6706910B2Method for producing cyclopropanecarboxylatesSUMITOMO CHEMICAL CO·Filed 2001·Granted Mar 16, 2004·5 cites·16 claims
- 0767US6909013B2Process for producing cyclopropanecarboxylatesSUMITOMO CHEMICAL CO·Filed 2002·Granted Jun 21, 2005·4 cites·31 claims
- 0867US6566532B2Process for producing optically active hemiestersSUMITOMO CHEMICAL CO·Filed 2001·Granted May 20, 2003·3 cites·8 claims
- 0964US5864041AProcess for producing threo-3-(3,4-dihydroxyphenyl)serineSUMITOMO CHEMICAL CO·Filed 1997·Granted Jan 26, 1999·17 cites·2 claims
- 1064US5739387AProcess for producing threo-3-(3,4-dihydroxyphenyl)serineSUMITOMO CHEMICAL CO·Filed 1996·Granted Apr 14, 1998·18 cites·21 claims
- 1163US6673267B2Phenylacetylene compound, liquid crystal composition, polymer, optically anisotropic product, and liquid crystal or optical elementSUMITOMO CHEMICAL CO·Filed 2000·Granted Jan 6, 2004·7 cites·13 claims
- 1262US6441220B1Methods for producing cyclopropane carboxylatesSUMITOMO CHEMICAL CO·Filed 2000·Granted Aug 27, 2002·3 cites·9 claims
- 1359US7741511B2Process for the preparation of carboxylic acid estersSUMITOMO CHEMICAL CO·Filed 2007·Granted Jun 22, 2010·0 cites·14 claims
- 1456US2008139824A1Dibenzothiophene oxide compound, and process for producing the sameSEKINE CHIZU·Filed 2007·Application pending·0 cites
- 1554US2007057229A1Compound having phenylacetylene structure, liquid crystal composition, polymer, optically anisotropic product, optical or liquid crystal element, dibenzothiophene compound, intermediate, and process for producing the sameSEKINE CHIZU·Filed 2006·Application pending·0 cites
- 1650US2005113581A1Process for the preparation of carboxylic acid estersSUMITOMO CHEMICAL CO·Filed 2004·Application pending·0 cites
- 1745US6342627B1Producing unsaturated esters by a lanthanide metal alkoxide catalyzed transesterification processSUMITOMO CHEMICAL CO·Filed 1999·Granted Jan 29, 2002·3 cites·11 claims
- 1842US5523437ATertiary phosphine compound and transition metal complex comprising the same as ligandSUMITOMO CHEMICAL CO·Filed 1994·Granted Jun 4, 1996·8 cites·17 claims
- 1940US5621129AOptically active tertiary phosphine compound, transition metal complex comprising the same as ligand and process for preparing optically active organic silicon compound using said transition metal complexSUMITOMO CHEMICAL CO·Filed 1996·Granted Apr 15, 1997·7 cites·5 claims
- 2039US9837612B2Polymer compound and light-emitting device using sameYOSHIDA TOMOYASU·Filed 2011·Granted Dec 5, 2017·0 cites·24 claims
- 2138US6750370B2Process for racemizing optically active vinyl-substituted cyclopropanecarboxylic acid compoundSUMITOMO CHEMICAL CO·Filed 2002·Granted Jun 15, 2004·0 cites·11 claims
- 2238US2007083070A1Process for producing 1-hexeneSUMITOMO CHEMICAL CO·Filed 2004·Application pending·0 cites
- 2336US2003120088A1Optically active azetidincarboxamide-coordinated transition metal complexesFiled 2002·Application pending·0 cites
- 2435US2007093622A1Trimerization catalyst for olefinSUMITOMO CHEMICAL COMPANY LINI·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →