Inventor · disambiguated record
Keizo Kan
Also filed as: KAN KEIZO
12 granted patents·3 pending applications·141 citations·filing 1993–2024
90Inventor score
Files withOTSUKA PHARMA CO LTD9FUKUSHIMA TAE2KAN KEIZO1MATSUYAMA HIRONORI1OTSUKA PHARMACEUTICALS CO LTD1
Top patents by PatentIndex Score
15 records- 0181US6096736ABenzazepine derivatives with vasopressin agonistic activityOTSUKA PHARMA CO LTD·Filed 1996·Granted Aug 1, 2000·54 cites·24 claims
- 0277US6096735ABenzoheterocyclic derivativesOTSUKA PHARMA CO LTD·Filed 1995·Granted Aug 1, 2000·36 cites·17 claims
- 0377US2025051310A1Benzazepine derivativesOTSUKA PHARMA CO LTD·Filed 2024·Application pending·0 cites
- 0476US8188277B2Aromatic compounds for suppressing the generation of collagenFUKUSHIMA TAE·Filed 2005·Granted May 29, 2012·6 cites·14 claims
- 0574US6642223B2Benzoheterocyclic derivativesOTSUKA PHARMA CO LTD·Filed 2001·Granted Nov 4, 2003·6 cites·38 claims
- 0673US2023265073A1Benzazepine derivativesOTSUKA PHARMA CO LTD·Filed 2023·Application pending·0 cites
- 0771US5498609ABenzoazepinyl compounds as oxytocin and vasopressin antagonistsOTSUKA PHARMA CO LTD·Filed 1993·Granted Mar 12, 1996·11 cites·29 claims
- 0867US11673878B2Benzazepine derivativesOTSUKA PHARMA CO LTD·Filed 2020·Granted Jun 13, 2023·0 cites·13 claims
- 0967US8236826B2Diarylether derivatives as antitumor agentsMATSUYAMA HIRONORI·Filed 2006·Granted Aug 7, 2012·3 cites·6 claims
- 1063US6335327B1Benzoheterocyclic derivativesOTSUKA PHARMACEUTICALS CO LTD·Filed 1999·Granted Jan 1, 2002·17 cites·20 claims
- 1160US5677299ABenzoheterocyclic compoundsOTSUKA PHARMA CO LTD·Filed 1995·Granted Oct 14, 1997·7 cites·8 claims
- 1259US10889570B2Benzazepine derivativesOTSUKA PHARMA CO LTD·Filed 2018·Granted Jan 12, 2021·0 cites·58 claims
- 1357US8940727B2Benzazepine compoundKAN KEIZO·Filed 2010·Granted Jan 27, 2015·1 cites·8 claims
- 1441US8551999B2Heterocyclic compound and pharmaceutical composition thereofSUMIDA TAKUMI·Filed 2008·Granted Oct 8, 2013·0 cites·6 claims
- 1540US2012238750A1Aromatic compoundFUKUSHIMA TAE·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →