Inventor
OHASHI NAOHITO
JP30 patents
⚠️ This page may combine multiple inventors who share the name “OHASHI NAOHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO PHARMA
18 patentsUS5834454ANov 10, 1998
Substituted guanidine derivatives, process for production thereof, and pharmaceutical uses thereof
SUMITOMO PHARMA53 citations95
US6169107B1Jan 2, 2001
Indoloylguanidine derivatives
SUMITOMO PHARMA31 citations92
US5977100ANov 2, 1999
Substituted guanidine derivatives, process for production thereof, and pharmaceutical uses thereof
SUMITOMO PHARMA25 citations92
US5648359AJul 15, 1997
Tumor necrosis factor production inhibitors
SUMITOMO PHARMA32 citations92
US6369110B1Apr 9, 2002
Substituted guanidine derivatives and process for producing the same
SUMITOMO PHARMA14 citations83
US6452008B2Sep 17, 2002
Pyridone derivatives and process for preparing the same
SUMITOMO PHARMA20 citations82
US4673668AJun 16, 1987
Aminonaphthacene derivatives
SUMITOMO PHARMA24 citations79
US6420381B1Jul 16, 2002
Naphthyridine derivatives
SUMITOMO PHARMA10 citations73
US4695580ASep 22, 1987
Phenylserine derivatives and processes for preparing the same
SUMITOMO PHARMA13 citations71
US6645971B1Nov 11, 2003
Quinazolinone derivatives
SUMITOMO PHARMA5 citations62
US6271251B1Aug 7, 2001
Substituted guanidine derivatives, process for production thereof, and pharmaceutical uses thereof
SUMITOMO PHARMA2 citations62
US6248772B1Jun 19, 2001
Indoloylguanidine derivatives
SUMITOMO PHARMA4 citations62
US5814654ASep 29, 1998
Substituted guanidine derivatives
SUMITOMO PHARMA7 citations62
US6300500B1Oct 9, 2001
Preparation of pyridone derivatives using phthalimido containing starting material
SUMITOMO PHARMA4 citations60
US6159974ADec 12, 2000
LDL receptor gene expression promoters
SUMITOMO PHARMA6 citations60
US5843957ADec 1, 1998
Naphthyridine derivatives
SUMITOMO PHARMA2 citations57
US5159089AOct 27, 1992
Selective production of threo-epoxy compounds
SUMITOMO PHARMA1 citations52
US6734205B2May 11, 2004
Substituted guanidine derivatives
SUMITOMO PHARMA1 citations50
SUMITOMO CHEMICAL CO
10 patentsUS4562263ADec 31, 1985
Process for producing 3-(3,4-dihydroxyphenyl) serine
SUMITOMO CHEMICAL CO30 citations92
US4480109AOct 30, 1984
Process for producing threo-3-(3,4-dihydroxyphenyl)serine
SUMITOMO CHEMICAL CO28 citations92
US4297282AOct 27, 1981
Resolution of mercaptopropionic acids
SUMITOMO CHEMICAL CO21 citations82
US4246428AJan 20, 1981
Method for separation of diastereoisomeric 3-(3,4-dibenzyloxyphenyl)serine
SUMITOMO CHEMICAL CO12 citations74
US4319040AMar 9, 1982
Process for the production of optically active threo-3-(3,4-dihydroxyphenyl)serine
SUMITOMO CHEMICAL CO16 citations70
US4544635AOct 1, 1985
Preparation of optically active cis-1,3-dibenzyl-hexahydro-1H-furo[3,4-d]imidazole-2,4-dione and its intermediates
SUMITOMO CHEMICAL CO2 citations62
US4496739AJan 29, 1985
Intermediates to optically active cis-1,3-dibenzyl-hexahydro-1H-furo[3,4-d]imidazole-2,4-dione
SUMITOMO CHEMICAL CO2 citations62
US4411836AOct 25, 1983
Racemization of an α-methyl-β-acylthiopropionic acid
SUMITOMO CHEMICAL CO4 citations62
US4325886AApr 20, 1982
Optical resolution of acylthiopropionic acid
SUMITOMO CHEMICAL CO4 citations61
US4540695ASep 10, 1985
Aminonaphthacene derivatives and their use
SUMITOMO CHEMICAL CO1 citations48