Inventor · disambiguated record
Kenji Niiyama
Also filed as: NIIYAMA KENJI
17 granted patents·1 pending application·255 citations·filing 1986–2014
94Inventor score
Top patents by PatentIndex Score
18 records- 0191US7834019B2Substituted pyrazolo[3,4-d]pyrimidinone derivativesBANYU PHARMA CO LTD·Filed 2007·Granted Nov 16, 2010·20 cites·15 claims
- 0287US8436004B2Bicycloaniline derivativeBAMBA MAKOTO·Filed 2008·Granted May 7, 2013·14 cites·15 claims
- 0386US7410976B2Spirochromanone derivativesMERCK & CO INC·Filed 2006·Granted Aug 12, 2008·11 cites·29 claims
- 0484US4839353AAnti-ulcer substituted pyridine derivativesBANYU PHARMA CO LTD·Filed 1987·Granted Jun 13, 1989·28 cites·7 claims
- 0583US5114918AEndothelin antagonistic cyclic pentapeptidesBANYU PHARMA CO LTD·Filed 1990·Granted May 19, 1992·78 cites·2 claims
- 0682US8791125B2Dihydropyrazolopyrimidinone derivativesSAGARA TAKESHI·Filed 2011·Granted Jul 29, 2014·9 cites·14 claims
- 0778US7935708B2Dihydropyrazolopyrimidinone derivativesMSD KK·Filed 2007·Granted May 3, 2011·3 cites·8 claims
- 0877US8772283B2Imidazo-oxazine compound or salt thereofNAKAMURA MASAYUKI·Filed 2012·Granted Jul 8, 2014·8 cites·8 claims
- 0970US5470833AEndothelin antagonistic peptide derivativesBANYU PHARMA CO LTD·Filed 1994·Granted Nov 28, 1995·23 cites·55 claims
- 1069US8288396B2Pyrimidopyrimidoindazole derivativeGOTO YASUHIRO·Filed 2010·Granted Oct 16, 2012·2 cites·16 claims
- 1163US5496928AEndothelin antagonistic substanceBANYU PHARMA CO LTD·Filed 1994·Granted Mar 5, 1996·21 cites·6 claims
- 1262US5444152AEndothelin antagonistic peptide derivativesBANYU PHARMA CO LTD·Filed 1994·Granted Aug 22, 1995·16 cites·14 claims
- 1360US2014303178A1Dihydropyrazolopyrimidinone derivativesMSD KK·Filed 2014·Application pending·0 cites
- 1456US5614498AEndothelin antagonistic substanceBANYU PHARMA CO LTD·Filed 1992·Granted Mar 25, 1997·16 cites·27 claims
- 1554US4743609AIndole derivatives having gastric and antisecretory and cytoprotective properties, and pharmaceutical preparations containing sameBANYU PHARMA CO LTD·Filed 1986·Granted May 10, 1988·4 cites·29 claims
- 1651US7935712B2Spirochromanone derivatives as acetyl coenzyme A carboxylase (ACC) inhibitorsMERCK SHARP & DOHME·Filed 2006·Granted May 3, 2011·0 cites·2 claims
- 1745US8138197B2Spirochromanon derivativesIINO TOMOHARU·Filed 2008·Granted Mar 20, 2012·0 cites·3 claims
- 1835US5691315AEndothelin antagonistic peptide derivativesBANYU PHARMA CO LTD·Filed 1995·Granted Nov 25, 1997·2 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →