Inventor · disambiguated record
Koji Yamada
Also filed as: YAMADA KOJI
48 granted patents·3 pending applications·513 citations·filing 1977–2006
98Inventor score
Files withKYOWA HAKKO KOGYO KK28BANYU PHARMA CO LTD15EISAI CO LTD4MERCK & CO INC1MERCK SHARP & DOHME1
Top patents by PatentIndex Score
51 records- 0197US4923986ADerivatives of physiologically active substance K-252KYOWA HAKKO KOGYO KK·Filed 1987·Granted May 8, 1990·128 cites·4 claims
- 0290US5378701ATricyclic compoundsKYOWA HAKKO KOGYO KK·Filed 1993·Granted Jan 3, 1995·36 cites·10 claims
- 0389US4555402APhysiologically active substance K-252, process for producing same and pharmaceutical composition containing sameKYOWA HAKKO KOGYO KK·Filed 1984·Granted Nov 26, 1985·41 cites·3 claims
- 0486US7410976B2Spirochromanone derivativesMERCK & CO INC·Filed 2006·Granted Aug 12, 2008·11 cites·29 claims
- 0586US5478840ATricyclic compoundsKYOWA HAKKO KOGYO KK·Filed 1994·Granted Dec 26, 1995·26 cites·12 claims
- 0684US5607955ATricyclic compounds on angiotensin II receptor antagonistsKYOWA HAKKO KOGYO KK·Filed 1995·Granted Mar 4, 1997·28 cites·9 claims
- 0781US5478835ATricyclic compounds and intermediates thereofKYOWA HAKKO KOGYO KK·Filed 1994·Granted Dec 26, 1995·21 cites·11 claims
- 0881US4677100ACephalosporin derivativesBANYU PHARMA CO LTD·Filed 1985·Granted Jun 30, 1987·16 cites·8 claims
- 0979US6838465B2N-acyltetrahydroisoquinoline derivativesBANYU PHARMA CO LTD·Filed 2001·Granted Jan 4, 2005·14 cites·6 claims
- 1077US5698560AImidazoquinazoline derivativesKYOWA HAKKO KOGYO KK·Filed 1996·Granted Dec 16, 1997·23 cites·5 claims
- 1177US5679703ATricyclic compounds having ACAT inhibiting activityKYOWA HAKKO KOGYO KK·Filed 1995·Granted Oct 21, 1997·22 cites·7 claims
- 1277US5661147AImidazoquinazoline derivativesKYOWA HAKKO KOGYO KK·Filed 1994·Granted Aug 26, 1997·20 cites·8 claims
- 1375US6703388B2Nitrogen-containing tricyclic compounds and drugs containing the sameEISAI CO LTD·Filed 2002·Granted Mar 9, 2004·8 cites·11 claims
- 1469US5340807ATricyclic compounds and intermediates thereofKYOWA HAKKO KOGYO KK·Filed 1992·Granted Aug 23, 1994·22 cites·24 claims
- 1567US6489336B2Nitrogen-containing tricyclic compounds and drugs containing the sameEISAI CO LTD·Filed 2001·Granted Dec 3, 2002·3 cites·22 claims
- 1666US5112818A2-(2-cyclopropylpyrrolidin-4-ylthio)carbapenhem derivativesBANYU PHARMA CO LTD·Filed 1990·Granted May 12, 1992·9 cites·8 claims
- 1765US4495192A1-Substituted 1,4-dihydropyridinesKYOWA HAKKO KOGYO KK·Filed 1983·Granted Jan 22, 1985·6 cites·27 claims
- 1863US6127541AImidazoquinazoline derivativesKYOWA HAKKO KOGYO KK·Filed 1997·Granted Oct 3, 2000·10 cites·13 claims
- 1958US5011854AHydroxamic acid derivatives and use thereof in combatting lipoxygenase-mediated diseasesKYOWA HAKKO KOGYO KK·Filed 1989·Granted Apr 30, 1991·5 cites·7 claims
- 2058US4639522A1-benzyl-3,5-dimethyl-4-piperdyl ester of a Hantzsch dihydropyridineKYOWA HAKKO KOGYO KK·Filed 1986·Granted Jan 27, 1987·8 cites·1 claims
- 2157US4959469ACrystalline cephalosporin compoundsBANYU PHARMA CO LTD·Filed 1989·Granted Sep 25, 1990·4 cites·3 claims
- 2255US2007042975A1Novel indolopyrrolocarbazole derivative with antitumor activityYAMADA KOJI·Filed 2004·Application pending·0 cites
- 2354US5084453A1-carboxy-1-vinyloxyimino aminothiazole cephalosporin derivativesBANYU PHARMA CO LTD·Filed 1987·Granted Jan 28, 1992·4 cites·8 claims
- 2453US6583138B1Heterocyclic-ring condensed benzothiazine compoundEISAI CO LTD·Filed 1999·Granted Jun 24, 2003·6 cites·31 claims
- 2551US7935712B2Spirochromanone derivatives as acetyl coenzyme A carboxylase (ACC) inhibitorsMERCK SHARP & DOHME·Filed 2006·Granted May 3, 2011·0 cites·2 claims
- 2648US5550121AAminoalkylpyrrolidinylthiocarbapenem derivativesBANYU PHARMA CO LTD·Filed 1994·Granted Aug 27, 1996·7 cites·21 claims
- 2746US6333322B1Nitrogen-containing tricyclic compounds and drugs containing the sameEISAI CO LTD·Filed 1997·Granted Dec 25, 2001·6 cites·18 claims
- 2846US5061794ACephalosporin derivatives, and antibacterial agentsBANYU PHARMA CO LTD·Filed 1989·Granted Oct 29, 1991·2 cites·8 claims
- 2944US2010280023A1Thiazole derivativesKYOWA HAKKO KOGYO KK·Filed 2006·Application pending·0 cites
- 3043US5438054A2-(substituted pyrrolidinylthio) carbapenem derivativesBANYU PHARMA CO LTD·Filed 1994·Granted Aug 1, 1995·2 cites·19 claims
- 3143US5373002A2-(substituted pyrrolidinylthio) carbapenem derivativesBANYU PHARMA CO LTD·Filed 1992·Granted Dec 13, 1994·2 cites·13 claims
- 3242US4883868A7-amino-3-(substituted isoindolinium)methyl-3-cephem derivativesBANYU PHARMA CO LTD·Filed 1987·Granted Nov 28, 1989·4 cites·10 claims
- 3341US6251891B1Carbapenem derivativesBANYU PHARMA CO LTD·Filed 1999·Granted Jun 26, 2001·3 cites·3 claims
- 3440US5068322ACrystalline cephalosporin compoundsBANYU PHARMA CO LTD·Filed 1990·Granted Nov 26, 1991·1 cites·1 claims
- 3540US4138485APhenylalanine derivativesKYOWA HAKKO KOGYO KK·Filed 1977·Granted Feb 6, 1979·1 cites·15 claims
- 3638US5142096A2,4-dihydroxy-3,5,6-trimethylbenzoic acid compoundsKYOWA HAKKO KOGYO KK·Filed 1989·Granted Aug 25, 1992·1 cites·4 claims
- 3737US5374720A2-(substituted pyrrolidinylthio)carbapenem derivativesBANYU PHARMA CO LTD·Filed 1991·Granted Dec 20, 1994·1 cites·4 claims
- 3837US4912132ANovel 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
- 3936US5631222AEndothelin-antagonizing peptideKYOWA HAKKO KOGYO KK·Filed 1994·Granted May 20, 1997·3 cites·9 claims
- 4036US4868159ANovel substances KS-501 and KS-502 and process for their preparationKYOWA HAKKO KOGYO KK·Filed 1988·Granted Sep 19, 1989·1 cites·4 claims
- 4135US6872803B1PeptidesKYOWA HAKKO KOGYO KK·Filed 1999·Granted Mar 29, 2005·1 cites·10 claims
- 4235US5132112AHs-142-1 compoundsKYOWA HAKKO KOGYO KK·Filed 1991·Granted Jul 21, 1992·2 cites·6 claims
- 4334US5449672AAlkylaminoalkylpyrrolidinylthiocarbapenem derivativesBANYU PHARMA CO LTD·Filed 1994·Granted Sep 12, 1995·1 cites·5 claims
- 4434US5004833AKS-501 derivativesKYOWA HAKKO KOGYO KK·Filed 1989·Granted Apr 2, 1991·1 cites·4 claims
- 4533US4692310ASubstance K-259-2 and a process for producing the sameKYOWA HAKKO KOGYO KK·Filed 1986·Granted Sep 8, 1987·1 cites·5 claims
- 4633US2007185168A1Piperidine derivativesTAKAI HARUKI S·Filed 2005·Application pending·0 cites
- 4730US5225406A1-carboxy-1-vinyloxyimino aminothiazole cephalosporin derivativesBANYU PHARMA CO LTD·Filed 1991·Granted Jul 6, 1993·1 cites·7 claims
- 4830US5223637AKS-506 compoundsKYOWA HAKKO KOGYO KK·Filed 1992·Granted Jun 29, 1993·0 cites·1 claims
- 4930US4990693ANovel 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
- 5030US4983775ANovel 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
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 →