Inventor
ISOMURA YASUO
JP30 patents
⚠️ This page may combine multiple inventors who share the name “ISOMURA YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMANOUCHI PHARMA CO LTD
29 patentsUS5817670AOct 6, 1998
Naphthyridine derivatives and pharmaceutical compositions thereof
YAMANOUCHI PHARMA CO LTD100 citations96
US4970335ANov 13, 1990
(Cycloalkylamino)methylenebis(phosphonic acid)
YAMANOUCHI PHARMA CO LTD54 citations96
US6017927AJan 25, 2000
Quinuclidine derivatives and medicinal composition thereof
YAMANOUCHI PHARMA CO LTD68 citations95
US4283408AAug 11, 1981
Guanidinothiazole compounds, process for preparation and gastric inhibiting compositions containing them
YAMANOUCHI PHARMA CO LTD120 citations94
US4990503AFeb 5, 1991
Heterocyclic bisphosphonic acid derivatives
YAMANOUCHI PHARMA CO LTD34 citations93
US4636516AJan 13, 1987
3,5-di-tert-butyl-4-hydroxyphenyl-substituted heterocyclic compounds
YAMANOUCHI PHARMA CO LTD34 citations92
US4186200AJan 29, 1980
Novel fused derivatives of 2-pyridones
YAMANOUCHI PHARMA CO LTD30 citations92
US5674886AOct 7, 1997
Triazolylated teritiary amine compound or salt thereof
YAMANOUCHI PHARMA CO LTD24 citations91
US5538976AJul 23, 1996
Substituted tertiary amino compound or salt thereof
YAMANOUCHI PHARMA CO LTD27 citations91
US5442110AAug 15, 1995
Hydroxamic acid derivative
YAMANOUCHI PHARMA CO LTD23 citations91
US5480875AJan 2, 1996
Crystal of monohydrate of heterocyclic bis(phosphonic acid) derivative
YAMANOUCHI PHARMA CO LTD23 citations88
US5981559ANov 9, 1999
Azole derivative with leukotriene (LTs) antagonizing activity and thromboxane (TX) A2 antagonizing activity
YAMANOUCHI PHARMA CO LTD35 citations85
US5041428AAug 20, 1991
(Cycloalkylamino)methylenebis(phosphonic acid) and medicines contaiing the same as an active ingredient
YAMANOUCHI PHARMA CO LTD20 citations82
US4933472AJun 12, 1990
Substituted aminomethylenebis(phosphonic acid) derivatives
YAMANOUCHI PHARMA CO LTD12 citations74
US6174896B1Jan 16, 2001
Quinuclidine derivatives and medicinal composition thereof
YAMANOUCHI PHARMA CO LTD13 citations73
US4288438ASep 8, 1981
Nitrogen-containing heterocyclic ring derivatives and analgesic and anti-inflammatory compositions and methods employing them
YAMANOUCHI PHARMA CO LTD10 citations73
US5473100ADec 5, 1995
Hydroxamic acid derivative
YAMANOUCHI PHARMA CO LTD12 citations72
US5463064AOct 31, 1995
Dihydropyridine-3,5-dicarboxylic acid ester derivatives
YAMANOUCHI PHARMA CO LTD6 citations71
US4973576ANov 27, 1990
Bisphophonic acid derivatives and pharmaceutical compositions containing the same
YAMANOUCHI PHARMA CO LTD12 citations71
US5039669AAug 13, 1991
Heterocyclic bisphosphonic acid derivatives
YAMANOUCHI PHARMA CO LTD8 citations69
US4727082AFeb 23, 1988
Dihydropyridine compounds and pharmaceutical compositions containing them
YAMANOUCHI PHARMA CO LTD2 citations63
US4284778AAug 18, 1981
Nitrogen-containing heterocyclic ring derivatives
YAMANOUCHI PHARMA CO LTD3 citations62
US4251533AFeb 17, 1981
Nitrogen-containing heterocyclic compounds
YAMANOUCHI PHARMA CO LTD3 citations62
US4198512AApr 15, 1980
1-Oxo-1,2-dihydroisoquinoline derivatives
YAMANOUCHI PHARMA CO LTD5 citations62
US5364872ANov 15, 1994
Dihydropyridine-3,5-dicarboxylic acid ester derivatives
YAMANOUCHI PHARMA CO LTD4 citations60
US4335129AJun 15, 1982
Thiazolo[3,2-6]isoquinolines, compositions and use thereof
YAMANOUCHI PHARMA CO LTD0 citations51
US4329455AMay 11, 1982
1,3-Oxazino(3,2-b)isoquinoline-6-ones
YAMANOUCHI PHARMA CO LTD0 citations51
US4163844AAug 7, 1979
Nitrogen-containing heterocyclic compounds
YAMANOUCHI PHARMA CO LTD0 citations51
US5616715AApr 1, 1997
Dihydropyridine-3, 5-dicarboxylic acid ester derivatives
YAMANOUCHI PHARMA CO LTD0 citations50