Inventor
HIRATA NORIHIKO
JP24 patents
⚠️ This page may combine multiple inventors who share the name “HIRATA NORIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
15 patentsUS6673316B1Jan 6, 2004
Synthesis experiment automating system, liquid separating treating apparatus and reaction vessel
SUMITOMO CHEMICAL CO53 citations89
US6803465B2Oct 12, 2004
Optically active 4-(tert-butoxycarbonyl)piperazine compound, and method for producing the same
SUMITOMO CHEMICAL CO6 citations72
US6162621ADec 19, 2000
Process for producing optically active azetidine-2-carboxylic acid derivative
SUMITOMO CHEMICAL CO6 citations72
US5859260AJan 12, 1999
Process for preparing imidazole derivative
SUMITOMO CHEMICAL CO2 citations62
US5708185AJan 13, 1998
Process for producing 1-hydroxythienoimidazole carboxylic acid and thienoimidazole carboxylic acid
SUMITOMO CHEMICAL CO2 citations62
US5498721AMar 12, 1996
Process for producing thiophene derivatives
SUMITOMO CHEMICAL CO2 citations62
US7928253B2Apr 19, 2011
Method of producing 6,6-dimethyl-3-oxabicyclo[3.1.0]hexan-2-one
SUMITOMO CHEMICAL CO2 citations57
US6469200B1Oct 22, 2002
Process for producing 2-alkylidene-4-bromoacetoacetic acid ester
SUMITOMO CHEMICAL CO0 citations52
US6787673B2Sep 7, 2004
Process for producing 2-bromocyclopentanone
SUMITOMO CHEMICAL CO1 citations51
US6410279B1Jun 25, 2002
Process for producing optically active azetidine-2-carboxylic acid derivative
SUMITOMO CHEMICAL CO0 citations51
US6166224ADec 26, 2000
Method for racemization of optically active azetidine-2-carboxylate
SUMITOMO CHEMICAL CO0 citations51
US6403572B1Jun 11, 2002
Producing Z-isomer of hydrogen bromide salt of 2-aminothiazole derivative
SUMITOMO CHEMICAL CO0 citations48
US6340763B1Jan 22, 2002
Producing Z-isomer of hydrogen bromide salt of 2-aminothiazole derivative
SUMITOMO CHEMICAL CO0 citations48
US8691548B2Apr 8, 2014
Asymmetric hydrolase and gene thereof
SUMITOMO CHEMICAL CO0 citations46
US7439036B2Oct 21, 2008
Process for producing optically active octahydro-1H-indole-2-carboxylic acid
SUMITOMO CHEMICAL CO0 citations41
HIRATA NORIHIKO
4 patentsUS8969051B2Mar 3, 2015
Process for producing optically active 2-alkyl-1,1,3-trialkoxycarbonylpropane
HIRATA NORIHIKO2 citations60
US8138370B2Mar 20, 2012
Method of producing optically active α-amino acid benzyl esters
HIRATA NORIHIKO1 citations49
US8242285B2Aug 14, 2012
N-tert-butoxycarbonyl-2-pyrrolidinones and production method thereof
HIRATA NORIHIKO0 citations45
US8153830B2Apr 10, 2012
Production method of asymmetric copper complex crystal
HIRATA NORIHIKO0 citations28