Inventor
USHIO HIDEKI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “USHIO HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
18 patentsUS6403832B1Jun 11, 2002
Process for producing optically active 3,3,3-Trifluoro-2-Hydroxy-2-Methylpropionic acid, and salt thereof
SUMITOMO CHEMICAL CO14 citations92
US5874593AFeb 23, 1999
Production process and intermediate of tetrazole compound
SUMITOMO CHEMICAL CO15 citations82
US6277998B1Aug 21, 2001
Production process and intermediate of tetrazole compound
SUMITOMO CHEMICAL CO9 citations74
US6191289B1Feb 20, 2001
Production process and intermediate of tetrazole compound
SUMITOMO CHEMICAL CO10 citations74
US6927290B2Aug 9, 2005
Production of mixed acid anhydride and amide compound
SUMITOMO CHEMICAL CO9 citations73
US6894190B2May 17, 2005
Process for producing optically active 3,3,3-trifluoro-2-hydroxy-2-methylpropionic acid, and salt thereof
SUMITOMO CHEMICAL CO6 citations73
US6348617B1Feb 19, 2002
Method for purifying pyruvic acid compounds
SUMITOMO CHEMICAL CO10 citations73
US5880291AMar 9, 1999
Process for producing optically active azetidine-2-carboxylic acid
SUMITOMO CHEMICAL CO6 citations73
US6313315B1Nov 6, 2001
Methods for producing N-protected-azetidine-2-carboxylic acids
SUMITOMO CHEMICAL CO2 citations63
US6753431B2Jun 22, 2004
Production of mixed acid anhydride and amide compound
SUMITOMO CHEMICAL CO2 citations62
US6653507B2Nov 25, 2003
Process for producing optically active 3,3,3-trifluoro-2-hydroxy-2-methylpropionic acid, and salt thereof
SUMITOMO CHEMICAL CO2 citations62
US5597929AJan 28, 1997
Production process of 2-(tetrazol-5-yl)-4-oxo-4H-benzopyran
SUMITOMO CHEMICAL CO3 citations62
US5675036AOct 7, 1997
Process for preparing aromatic amide compound
SUMITOMO CHEMICAL CO5 citations58
US5659051AAug 19, 1997
Process of producing 2-cyano-4-oxo-4H-benzopyran compounds
SUMITOMO CHEMICAL CO4 citations58
US6114543ASep 5, 2000
Process for producing optically active azetidine-2-carboxylic acid
SUMITOMO CHEMICAL CO0 citations51
US6063940AMay 16, 2000
Process for preparing 1-bromoalkylbenzene derivatives and intermediates thereof
SUMITOMO CHEMICAL CO0 citations51
US5637736AJun 10, 1997
Process for preparing 1-bromoalkylbenzene derivatives and intermediates thereof
SUMITOMO CHEMICAL CO1 citations51
US5679859AOct 21, 1997
Process for producing improved crystals of 3-amino-2-hydroxyacetophenone salt
SUMITOMO CHEMICAL CO1 citations48