Inventor
NAKAGAWA KAZUYUKI
JP102 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA KAZUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTSUKA PHARMA CO LTD
41 patentsUS4734416AMar 29, 1988
Pharmaceutically useful carbostyril derivatives
OTSUKA PHARMA CO LTD182 citations96
US4594347AJun 10, 1986
Pyrrolo [3,2,1-ij]-quinoline carboxylic acid compound
OTSUKA PHARMA CO LTD61 citations96
US4277479AJul 7, 1981
Tetrazolylalkoxycarbostyril derivatives and pharmaceutical compositions containing them
OTSUKA PHARMA CO LTD101 citations96
US4455422AJun 19, 1984
Carbostyril derivatives and pharmaceutical composition containing the same
OTSUKA PHARMA CO LTD82 citations95
US4026897AMay 31, 1977
5-[1-Hydroxy-2-(substituted-amino)]alkyl-8-hydroxycarbostyril derivatives
OTSUKA PHARMA CO LTD69 citations95
US4022776AMay 10, 1977
5-[1-Hydroxy-2-(substituted-amino)]ethyl-8-hydroxycarbostyril derivatives
OTSUKA PHARMA CO LTD67 citations95
US4578381AMar 25, 1986
Carbostyril derivatives
OTSUKA PHARMA CO LTD48 citations94
US4399134AAug 16, 1983
Pyrroloquinoline and benzoquinolizine compounds and antimicrobial compositions
OTSUKA PHARMA CO LTD53 citations93
US5242919ASep 7, 1993
2,3-dihydro-1H-indene derivatives
OTSUKA PHARMA CO LTD21 citations92
US4760064AJul 26, 1988
Carbostyril compounds, compositions containing same and processes for preparing same
OTSUKA PHARMA CO LTD46 citations92
US4564619AJan 14, 1986
Carbostyril derivative
OTSUKA PHARMA CO LTD26 citations92
US4454130AJun 12, 1984
Morpholino and oxazoline substituted carbostyril derivatives, process for producing the same and cardiotonic compositions containing the same
OTSUKA PHARMA CO LTD28 citations92
US4416884ANov 22, 1983
Piperazinylbenzoheterocyclic compounds
OTSUKA PHARMA CO LTD41 citations92
US4372953AFeb 8, 1983
Tetrazole derivatives, and anti-ulcer composition containing the same
OTSUKA PHARMA CO LTD30 citations92
US4552879ANov 12, 1985
Benzoheterocyclic compounds and pharmaceutical composition thereof
OTSUKA PHARMA CO LTD35 citations90
US4415572ANov 15, 1983
Piperazinylcarbostyril compounds
OTSUKA PHARMA CO LTD44 citations90
US4544747AOct 1, 1985
Quinoline carboxylic acid derivatives
OTSUKA PHARMA CO LTD27 citations89
US4223137ASep 16, 1980
Carbostyril derivatives and process for preparing the same
OTSUKA PHARMA CO LTD32 citations89
US4792628ADec 20, 1988
Indane derivatives and salts thereof
OTSUKA PHARMA CO LTD24 citations82
US4788130ANov 29, 1988
1-amino-2,3-dihydro-1H-indene compounds
OTSUKA PHARMA CO LTD24 citations82
US4298739ANov 3, 1981
Novel carbostyril derivatives
OTSUKA PHARMA CO LTD20 citations82
US4210753AJul 1, 1980
Carbostyril compounds
OTSUKA PHARMA CO LTD25 citations82
US5034395AJul 23, 1991
Novel dihydropyridine derivatives
OTSUKA PHARMA CO LTD20 citations81
US4619932AOct 28, 1986
Novel carbostyril derivatives, process for producing thereof and pharmaceutical composition containing the same
OTSUKA PHARMA CO LTD14 citations81
US4567187AJan 28, 1986
Carbostyril derivatives and antihistaminic agents containing the carbostyril derivatives
OTSUKA PHARMA CO LTD17 citations81
US4482560ANov 13, 1984
Carbostyril derivatives, and antihistaminic agents containing the same
OTSUKA PHARMA CO LTD20 citations81
US4468402AAug 28, 1984
Carbostyril derivatives, process for producing the same and cardiotonic compositions containing the same
OTSUKA PHARMA CO LTD15 citations81
US4145542AMar 20, 1979
5- 1-Hydroxy-2-(heterocyclic-amino)!alkyl-8-hydroxy-3,4-dihydrocarbostyril derivatives
OTSUKA PHARMA CO LTD25 citations81
US3994901ANov 30, 1976
5-[1-Hydroxy-2-(substituted-amino)]alkyl-8-hydroxy-3,4-dihydrocarbostyril derivatives
OTSUKA PHARMA CO LTD19 citations81
US3975391AAug 17, 1976
5-[1-Hydroxy-2-(substituted-amino)]ethyl-8-hydroxy-3,4-dihydrocarbostyril derivatives
OTSUKA PHARMA CO LTD27 citations81
US4022784AMay 10, 1977
5-[1-Hydroxy-2-(substituted-amino)]alkyl-8-substituted-carbostyril and -3,4-dihydrocarbostyril derivatives
OTSUKA PHARMA CO LTD24 citations78
US4880815ANov 14, 1989
Imidazopyridyl-alkylthio-pyridines and anti-peptic ulcer compositions containing the same
OTSUKA PHARMA CO LTD7 citations74
US4755513AJul 5, 1988
Antimicrobial 1-substituted phenyl-4-oxoquinoline-3-carboxylic acid compounds
OTSUKA PHARMA CO LTD6 citations74
US4738970AApr 19, 1988
Benzimidazolyl-thio-tetrahydroquinolines and anti-peptic ulcer compositions containing the same
OTSUKA PHARMA CO LTD7 citations74
US4684648AAug 4, 1987
Antimicrobial 1-substituted phenyl-4-oxoquinoline-3-carboxylic acid compounds and compositions thereof
OTSUKA PHARMA CO LTD6 citations74
US4540703ASep 10, 1985
Tetrazole derivatives, anti-ulcer composition containing the same and method for treating ulcers
OTSUKA PHARMA CO LTD17 citations74
US4435404AMar 6, 1984
Carbostyril derivatives
OTSUKA PHARMA CO LTD12 citations74
US4302588ANov 24, 1981
Carbostyril compounds
OTSUKA PHARMA CO LTD9 citations74
US4289883ASep 15, 1981
Carbostyril compounds
OTSUKA PHARMA CO LTD9 citations74
US4147869AApr 3, 1979
3,4-Dihydrocarbostyril derivatives and process for preparing the same
OTSUKA PHARMA CO LTD12 citations74
US4072683AFeb 7, 1978
3,4-Dihydrocarbostyril derivatives
OTSUKA PHARMA CO LTD9 citations74
RENESAS ELECTRONICS CORP
4 patentsUS10325841B2Jun 18, 2019
Semiconductor device
RENESAS ELECTRONICS CORP19 citations84
US10541216B2Jan 21, 2020
Semiconductor device
RENESAS ELECTRONICS CORP3 citations73
US10515890B2Dec 24, 2019
Semiconductor device
RENESAS ELECTRONICS CORP2 citations73
US10396044B2Aug 27, 2019
Semiconductor device
RENESAS ELECTRONICS CORP5 citations73
CANON KK
3 patentsUS6292633B1Sep 18, 2001
Optical apparatus with recording of selected hierarchal information with respect to a region
CANON KK23 citations93
US5734428AMar 31, 1998
Camera with superimpose display device
CANON KK39 citations92
US7344321B2Mar 18, 2008
Shutter device and image-capturing apparatus
CANON KK15 citations84
MITSUBISHI ELECTRIC CORP
1 patentRENESAS TECH CORP
1 patentShowing the top 50 of 102 patents by PatentIndex Score.