Inventor · disambiguated record
Tsukasa Ishihara
Also filed as: ISHIHARA TSUKASA
15 granted patents·39 citations·filing 1994–2018
90Inventor score
Files withASTELLAS PHARMA INC5SELDAR PHARMA INC4YAMANOUCHI PHARMA CO LTD4HIRAYAMA FUKUSHI1HISAMICHI HIROYUKI1
Top patents by PatentIndex Score
15 records- 0181US6642224B1Diazepan derivatives or salts thereofYAMANOUCHI PHARMA CO LTD·Filed 2001·Granted Nov 4, 2003·12 cites·6 claims
- 0273US9399038B2Benzothiophene compoundASTELLAS PHARMA INC·Filed 2015·Granted Jul 26, 2016·2 cites·18 claims
- 0371US7307074B2Diazepan derivatives or salts thereofASTELLAS PHARMA INC·Filed 2003·Granted Dec 11, 2007·4 cites·7 claims
- 0470US7786106B2Substituted benzene derivatives or salts thereofASTELLAS PHARMA INC·Filed 2009·Granted Aug 31, 2010·1 cites·6 claims
- 0567US8981119B2Benzothiophene compoundASTELLAS PHARMA INC·Filed 2014·Granted Mar 17, 2015·1 cites·14 claims
- 0667US8486970B2Tetrahydroisoquinolin-1-one derivative or salt thereofHISAMICHI HIROYUKI·Filed 2008·Granted Jul 16, 2013·1 cites·8 claims
- 0763US5807880AAzole derivative and pharmaceutical composition thereofYAMANOUCHI PHARMA CO LTD·Filed 1994·Granted Sep 15, 1998·8 cites·7 claims
- 0862US7504417B2Substituted benzene derivatives or salts thereofASTELLAS PHARMA INC·Filed 2001·Granted Mar 17, 2009·1 cites·7 claims
- 0960US10532048B2Tetrahydroisoquinolin-1-one derivative or salt thereofSELDAR PHARMA INC·Filed 2018·Granted Jan 14, 2020·0 cites·14 claims
- 1057US9150541B2Tetrahydroisoquinolin-1-one derivative or salt thereofSELDAR PHARMA INC·Filed 2013·Granted Oct 6, 2015·0 cites·7 claims
- 1157USRE43481EDiazepan derivatives or salts thereofHIRAYAMA FUKUSHI·Filed 2008·Granted Jun 19, 2012·0 cites·20 claims
- 1255US10016410B2Tetrahydroisoquinolin-1-one derivative or salt thereofSELDAR PHARMA INC·Filed 2016·Granted Jul 10, 2018·0 cites·9 claims
- 1355US9526719B2Tetrahydroisoquinolin-1-one derivative or salt thereofSELDAR PHARMA INC·Filed 2015·Granted Dec 27, 2016·0 cites·12 claims
- 1449US5830902AQuinuclidine derivative having tricyclic hetero condensed ringYAMANOUCHI PHARMA CO LTD·Filed 1996·Granted Nov 3, 1998·5 cites·19 claims
- 1540US6333320B1Hexahydro-1,4-diazepine derivatives or salts thereofYAMANOUCHI PHARMA CO LTD·Filed 1998·Granted Dec 25, 2001·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →