Inventor
IWAKURA KAZUNORI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “IWAKURA KAZUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
17 patentsUS5864041AJan 26, 1999
Process for producing threo-3-(3,4-dihydroxyphenyl)serine
SUMITOMO CHEMICAL CO17 citations92
US5739387AApr 14, 1998
Process for producing threo-3-(3,4-dihydroxyphenyl)serine
SUMITOMO CHEMICAL CO18 citations92
US6624324B2Sep 23, 2003
Process for producing optically active hemiesters
SUMITOMO CHEMICAL CO37 citations91
US6623810B2Sep 23, 2003
Phenylacetylene compound, liquid crystal composition, and liquid crystal element produced with the same
SUMITOMO CHEMICAL CO15 citations84
US6849202B2Feb 1, 2005
Compound having phenylacetylene structure, liquid crystal composition, polymer, optically anisotropic product, optical or liquid crystal element, dibenzothiophene compound, intermediate, and process for producing the same
SUMITOMO CHEMICAL CO15 citations83
US6673267B2Jan 6, 2004
Phenylacetylene compound, liquid crystal composition, polymer, optically anisotropic product, and liquid crystal or optical element
SUMITOMO CHEMICAL CO7 citations74
US7135579B2Nov 14, 2006
Dibenzothiophene oxide compound, and process for producing the same
SUMITOMO CHEMICAL CO5 citations73
US5621129AApr 15, 1997
Optically 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 complex
SUMITOMO CHEMICAL CO7 citations72
US5523437AJun 4, 1996
Tertiary phosphine compound and transition metal complex comprising the same as ligand
SUMITOMO CHEMICAL CO8 citations72
US7399873B2Jul 15, 2008
Process for the preparation of carboxylic acid esters
SUMITOMO CHEMICAL CO2 citations61
US6909013B2Jun 21, 2005
Process for producing cyclopropanecarboxylates
SUMITOMO CHEMICAL CO4 citations61
US6706910B2Mar 16, 2004
Method for producing cyclopropanecarboxylates
SUMITOMO CHEMICAL CO5 citations61
US6566532B2May 20, 2003
Process for producing optically active hemiesters
SUMITOMO CHEMICAL CO3 citations61
US6441220B1Aug 27, 2002
Methods for producing cyclopropane carboxylates
SUMITOMO CHEMICAL CO3 citations61
US6342627B1Jan 29, 2002
Producing unsaturated esters by a lanthanide metal alkoxide catalyzed transesterification process
SUMITOMO CHEMICAL CO3 citations61
US7741511B2Jun 22, 2010
Process for the preparation of carboxylic acid esters
SUMITOMO CHEMICAL CO0 citations51
US6750370B2Jun 15, 2004
Process for racemizing optically active vinyl-substituted cyclopropanecarboxylic acid compound
SUMITOMO CHEMICAL CO0 citations40