Inventor · disambiguated record
Isao Kawamoto
Also filed as: KAWAMOTO ISAO · OKA TETSUO
49 granted patents·2 pending applications·639 citations·filing 1974–2003
98Inventor score
Files withKYOWA HAKKO KOGYO KK24SANKYO CO17ABBOTT LAB7KONISHIROKU PHOTO IND1KYOWA HAKKO KABUSHIKI KAISHA1
Top patents by PatentIndex Score
51 records- 0197US5101038ANovel substance dc 113 and production thereofKYOWA HAKKO KOGYO KK·Filed 1989·Granted Mar 31, 1992·172 cites·1 claims
- 0297US4923990APyrindamycins A and B and duocarmycin A antibiotics derived from certain streptomyces cultureKYOWA HAKKO KOGYO KK·Filed 1988·Granted May 8, 1990·169 cites·2 claims
- 0390US3976768AFortimicin AABBOTT LAB·Filed 1974·Granted Aug 24, 1976·34 cites·1 claims
- 0483US3931400AFortimicin B and process for production thereofABBOTT LAB·Filed 1974·Granted Jan 6, 1976·37 cites·3 claims
- 0581US6924279B2Crystalline 1-methylcarbapenem derivativesSANKYO CO·Filed 2003·Granted Aug 2, 2005·8 cites·6 claims
- 0675US4935415AUCN-01 and process for production thereofKYOWA HAKKO KOGYO KK·Filed 1987·Granted Jun 19, 1990·34 cites·2 claims
- 0772US6090802A1- Methylcarbapenem derivativesSANKYO CO·Filed 1998·Granted Jul 18, 2000·18 cites·14 claims
- 0872US5242914A2-(heterocyclylthio) carbapenem derivatives, their preparation and their use as antibioticsSANKYO CO·Filed 1992·Granted Sep 7, 1993·15 cites·27 claims
- 0969US7041660B2Crystalline 1-methylcarbapenem derivativesSANKYO CO·Filed 2003·Granted May 9, 2006·4 cites·9 claims
- 1068US5104867A2-(heterocyclylthio)carbapenem derivatives, their preparation and their use as antibioticsSANKYO CO·Filed 1990·Granted Apr 14, 1992·11 cites·28 claims
- 1163US5424306ACrystalline carbapenem derivativeSANKYO CO·Filed 1993·Granted Jun 13, 1995·10 cites·3 claims
- 1261US4593097APhenazine carboxylic acid derivatives and a process for production thereofKYOWA HAKKO KOGYO KK·Filed 1984·Granted Jun 3, 1986·7 cites·5 claims
- 1361US2003232803A1Crystalline 1-methylcarbapenem derivativesSANKYO CO·Filed 2003·Application pending·0 cites
- 1460US4522812ANovel physiologically active substance K-4, a process for preparation thereof and a pharmaceutical composition containing the sameKYOWA HAKKO KOGYO KK·Filed 1982·Granted Jun 11, 1985·7 cites·2 claims
- 1560US3951661ASilver halide emulsion containing an arylphosphonium salt as antifoggantKONISHIROKU PHOTO IND·Filed 1974·Granted Apr 20, 1976·5 cites·4 claims
- 1659US4421758AAnti-microbial diazole derivativesSANKYO CO·Filed 1981·Granted Dec 20, 1983·5 cites·24 claims
- 1758US5011854AHydroxamic acid derivatives and use thereof in combatting lipoxygenase-mediated diseasesKYOWA HAKKO KOGYO KK·Filed 1989·Granted Apr 30, 1991·5 cites·7 claims
- 1857US6642355B2Endothelin-antagonizing peptideKYOWA HAKKO KOGYO KK·Filed 2001·Granted Nov 4, 2003·1 cites·2 claims
- 1957US5866564ACarbapenem derivatives, their preparation and their use as antibioticsSANKYO CO·Filed 1997·Granted Feb 2, 1999·6 cites·51 claims
- 2057US2002128254A1Crystalline 1-methylcarbapenem derivativesSANKYO CO·Filed 2001·Application pending·0 cites
- 2153US5420119ACarbapenem derivatives having antibiotic activity, their preparation and their useSANKYO CO·Filed 1993·Granted May 30, 1995·4 cites·45 claims
- 2253US4045298AAntibiotic XK-62-2 and process for production thereofABBOTT LAB·Filed 1976·Granted Aug 30, 1977·5 cites·12 claims
- 2352US6194195B1Strains of streptomyces producing endothelin antagonistic peptidesKYOWA HAKKO KOGYO KK·Filed 1998·Granted Feb 27, 2001·7 cites·2 claims
- 2452US4771046ACarbapenem derivativesSANKYO CO·Filed 1986·Granted Sep 13, 1988·6 cites·19 claims
- 2550US6180621B1Method and treatment using 1-methylcarbapenem derivatives as an anti-helicobacter pylori agentSANKYO CO·Filed 1998·Granted Jan 30, 2001·9 cites·32 claims
- 2650US5639860AEndothelin-antagonizing peptideKYOWA HAKKO KOGYO KK·Filed 1994·Granted Jun 17, 1997·11 cites·4 claims
- 2749US5310735ACarbapenem derivatives having antibiotic activity, their preparation and their useSANKYO CO·Filed 1992·Granted May 10, 1994·3 cites·12 claims
- 2849US5252470AD-amidase and process for producing D-α-alanine and/or L-α-alanineamideKYOWA HAKKO KOGYO KK·Filed 1992·Granted Oct 12, 1993·4 cites·6 claims
- 2949US4045610AAntibiotics designated xk-88 seriesABBOTT LAB·Filed 1975·Granted Aug 30, 1977·4 cites·9 claims
- 3048US4914198ANovel substance UCY1003 and process for preparing the sameKYOWA HAKKO KOGYO KK·Filed 1986·Granted Apr 3, 1990·4 cites·2 claims
- 3148US4162305AAntibiotic XK-99 and process for production thereofABBOTT LAB·Filed 1978·Granted Jul 24, 1979·3 cites·5 claims
- 3247US5712267ACarbapenem derivatives, their preparation and their use as antibioticsSANKYO CO·Filed 1995·Granted Jan 27, 1998·3 cites·37 claims
- 3338US5142096A2,4-dihydroxy-3,5,6-trimethylbenzoic acid compoundsKYOWA HAKKO KOGYO KK·Filed 1989·Granted Aug 25, 1992·1 cites·4 claims
- 3438US5081264ABioxanthracene derivativesKYOWA HAKKO KABUSHIKI KAISHA·Filed 1990·Granted Jan 14, 1992·6 cites·5 claims
- 3538US3939043AAntibiotics designated XK-88 series and process for production thereofABBOTT LAB·Filed 1974·Granted Feb 17, 1976·5 cites·7 claims
- 3637US5130240AProcess for producing d-alpha-alanine and/or l-alpha-alanineamide by arthrobacter spKYOWA HAKKO KOGYO KK·Filed 1991·Granted Jul 14, 1992·4 cites·13 claims
- 3737US4912132ANovel substances KS-504a, KS-504b, KS-504d and KS-504e and process for their preparationKYOWA HAKKO KOGYO KK·Filed 1988·Granted Mar 27, 1990·1 cites·2 claims
- 3836US4894385AImidazole derivatives as inhibitors of TXA2 synthesisSANKYO CO·Filed 1986·Granted Jan 16, 1990·2 cites·34 claims
- 3936US4868159ANovel substances KS-501 and KS-502 and process for their preparationKYOWA HAKKO KOGYO KK·Filed 1988·Granted Sep 19, 1989·1 cites·4 claims
- 4035US5132112AHs-142-1 compoundsKYOWA HAKKO KOGYO KK·Filed 1991·Granted Jul 21, 1992·2 cites·6 claims
- 4134US5079232ACompound ks-505 useful for improving cerebral functionKYOWA HAKKO ROGYO KABUSHIKI KA·Filed 1989·Granted Jan 7, 1992·3 cites·6 claims
- 4233US4692310ASubstance K-259-2 and a process for producing the sameKYOWA HAKKO KOGYO KK·Filed 1986·Granted Sep 8, 1987·1 cites·5 claims
- 4332US5977097A1-methylcarbapenem derivativesSANKYO CO·Filed 1998·Granted Nov 2, 1999·1 cites·9 claims
- 4431US5478733AProcess for producing L-alanine by fermentation with arthrobacterKYOWA HAKKO KOGYO KK·Filed 1993·Granted Dec 26, 1995·1 cites·1 claims
- 4531US4683220ANovel physiologically active substances K-26, a process for preparation thereof and a pharmaceutical composition containing the sameKYOWA HAKKO KOGYO KK·Filed 1986·Granted Jul 28, 1987·0 cites·3 claims
- 4630US5223637AKS-506 compoundsKYOWA HAKKO KOGYO KK·Filed 1992·Granted Jun 29, 1993·0 cites·1 claims
- 4730US4990693ANovel substances KS-504a, KS-504b, KS-504d and KS-504e and process for their preparationKYOWA HAKKO KOGYO KK·Filed 1990·Granted Feb 5, 1991·0 cites·2 claims
- 4830US4983775ANovel substances KS-504a, KS-504b, KS-504d and KS-504e and process for their preparationKYOWA HAKKO KOGYO KK·Filed 1990·Granted Jan 8, 1991·0 cites·2 claims
- 4930US4316957AProcess for the production of 7-deazaadenosine and 7-deazainosineABBOTT LAB·Filed 1978·Granted Feb 23, 1982·0 cites·6 claims
- 5028US5066817ADc115a compounds produced by streptomyces sp.KYOWA HAKKO KOGYO KK·Filed 1990·Granted Nov 19, 1991·0 cites·5 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →