Inventor
KAWAMOTO ISAO
JP60 patents
⚠️ This page may combine multiple inventors who share the name “KAWAMOTO ISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KYOWA HAKKO KOGYO KK
20 patentsUS5101038AMar 31, 1992
Novel substance dc 113 and production thereof
KYOWA HAKKO KOGYO KK172 citations98
US4923990AMay 8, 1990
Pyrindamycins A and B and duocarmycin A antibiotics derived from certain streptomyces culture
KYOWA HAKKO KOGYO KK169 citations97
US4935415AJun 19, 1990
UCN-01 and process for production thereof
KYOWA HAKKO KOGYO KK34 citations91
US4593097AJun 3, 1986
Phenazine carboxylic acid derivatives and a process for production thereof
KYOWA HAKKO KOGYO KK7 citations74
US6194195B1Feb 27, 2001
Strains of streptomyces producing endothelin antagonistic peptides
KYOWA HAKKO KOGYO KK7 citations72
US5639860AJun 17, 1997
Endothelin-antagonizing peptide
KYOWA HAKKO KOGYO KK11 citations72
US4522812AJun 11, 1985
Novel physiologically active substance K-4, a process for preparation thereof and a pharmaceutical composition containing the same
KYOWA HAKKO KOGYO KK7 citations71
US5011854AApr 30, 1991
Hydroxamic acid derivatives and use thereof in combatting lipoxygenase-mediated diseases
KYOWA HAKKO KOGYO KK5 citations63
US5132112AJul 21, 1992
Hs-142-1 compounds
KYOWA HAKKO KOGYO KK2 citations62
US4914198AApr 3, 1990
Novel substance UCY1003 and process for preparing the same
KYOWA HAKKO KOGYO KK4 citations62
US5252470AOct 12, 1993
D-amidase and process for producing D-α-alanine and/or L-α-alanineamide
KYOWA HAKKO KOGYO KK4 citations61
US5130240AJul 14, 1992
Process for producing d-alpha-alanine and/or l-alpha-alanineamide by arthrobacter sp
KYOWA HAKKO KOGYO KK4 citations61
US4912132AMar 27, 1990
Novel substances KS-504a, KS-504b, KS-504d and KS-504e and process for their preparation
KYOWA HAKKO KOGYO KK1 citations61
US5478733ADec 26, 1995
Process for producing L-alanine by fermentation with arthrobacter
KYOWA HAKKO KOGYO KK1 citations52
US4868159ASep 19, 1989
Novel substances KS-501 and KS-502 and process for their preparation
KYOWA HAKKO KOGYO KK1 citations52
US4683220AJul 28, 1987
Novel physiologically active substances K-26, a process for preparation thereof and a pharmaceutical composition containing the same
KYOWA HAKKO KOGYO KK0 citations52
US6642355B2Nov 4, 2003
Endothelin-antagonizing peptide
KYOWA HAKKO KOGYO KK1 citations51
US5223637AJun 29, 1993
KS-506 compounds
KYOWA HAKKO KOGYO KK0 citations51
US5142096AAug 25, 1992
2,4-dihydroxy-3,5,6-trimethylbenzoic acid compounds
KYOWA HAKKO KOGYO KK1 citations51
US4990693AFeb 5, 1991
Novel substances KS-504a, KS-504b, KS-504d and KS-504e and process for their preparation
KYOWA HAKKO KOGYO KK0 citations51
SANKYO CO
14 patentsUS6090802AJul 18, 2000
1- Methylcarbapenem derivatives
SANKYO CO18 citations82
US6924279B2Aug 2, 2005
Crystalline 1-methylcarbapenem derivatives
SANKYO CO8 citations73
US5866564AFeb 2, 1999
Carbapenem derivatives, their preparation and their use as antibiotics
SANKYO CO6 citations73
US5242914ASep 7, 1993
2-(heterocyclylthio) carbapenem derivatives, their preparation and their use as antibiotics
SANKYO CO15 citations73
US5104867AApr 14, 1992
2-(heterocyclylthio)carbapenem derivatives, their preparation and their use as antibiotics
SANKYO CO11 citations73
US6180621B1Jan 30, 2001
Method and treatment using 1-methylcarbapenem derivatives as an anti-helicobacter pylori agent
SANKYO CO9 citations72
US5424306AJun 13, 1995
Crystalline carbapenem derivative
SANKYO CO10 citations68
US5712267AJan 27, 1998
Carbapenem derivatives, their preparation and their use as antibiotics
SANKYO CO3 citations62
US4894385AJan 16, 1990
Imidazole derivatives as inhibitors of TXA2 synthesis
SANKYO CO2 citations62
US4771046ASep 13, 1988
Carbapenem derivatives
SANKYO CO6 citations62
US4421758ADec 20, 1983
Anti-microbial diazole derivatives
SANKYO CO5 citations62
US5420119AMay 30, 1995
Carbapenem derivatives having antibiotic activity, their preparation and their use
SANKYO CO4 citations61
US5310735AMay 10, 1994
Carbapenem derivatives having antibiotic activity, their preparation and their use
SANKYO CO3 citations61
US7041660B2May 9, 2006
Crystalline 1-methylcarbapenem derivatives
SANKYO CO4 citations57
ABBOTT LAB
7 patentsUS3976768AAug 24, 1976
Fortimicin A
ABBOTT LAB34 citations92
US3931400AJan 6, 1976
Fortimicin B and process for production thereof
ABBOTT LAB37 citations92
US4162305AJul 24, 1979
Antibiotic XK-99 and process for production thereof
ABBOTT LAB3 citations63
US4045298AAug 30, 1977
Antibiotic XK-62-2 and process for production thereof
ABBOTT LAB5 citations61
US4045610AAug 30, 1977
Antibiotics designated xk-88 series
ABBOTT LAB4 citations61
US3939043AFeb 17, 1976
Antibiotics designated XK-88 series and process for production thereof
ABBOTT LAB5 citations61
US4316957AFeb 23, 1982
Process for the production of 7-deazaadenosine and 7-deazainosine
ABBOTT LAB0 citations52
PANASONIC CORP
2 patentsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
2 patentsKK YOKOTA SEISAKUSHO
2 patentsKYOWA HAKKO KABUSHIKI KAISHA
1 patentKONISHIROKU PHOTO IND
1 patentKYOWA HAKKO ROGYO KABUSHIKI KA
1 patentShowing the top 50 of 60 patents by PatentIndex Score.