Inventor · disambiguated record
Yohei Ikuma
Also filed as: IKUMA YOHEI
12 granted patents·5 pending applications·7 citations·filing 2008–2024
83Inventor score
Files withSUMITOMO PHARMA CO LTD8SUMITOMO DAINIPPON PHARMA CO LTD6DAINIPPON SUMITOMO PHARMA CO1NAKAHIRA HIROYUKI1SUETSUGU SATOSHI1
Top patents by PatentIndex Score
17 records- 0178US10745401B2Condensed lactam derivativeSUMITOMO DAINIPPON PHARMA CO LTD·Filed 2020·Granted Aug 18, 2020·1 cites·4 claims
- 0278US2025084090A1Substituted lactams showing serotonin 5-ht receptor activitySUMITOMO PHARMA CO LTD·Filed 2024·Application pending·0 cites
- 0376US11466007B2Substituted lactams showing serotonin 5-HT receptor activitySUMITOMO PHARMA CO LTD·Filed 2019·Granted Oct 11, 2022·1 cites·31 claims
- 0474US12150941B2Process for preparing substituted pyrazolo[1,5-a]pyrazinesSUMITOMO PHARMA CO LTD·Filed 2023·Granted Nov 26, 2024·0 cites·6 claims
- 0572US12180213B2Substituted pyrazoles showing serotonin 5-HT receptor activitySUMITOMO PHARMA CO LTD·Filed 2022·Granted Dec 31, 2024·0 cites·31 claims
- 0669US9718840B2Condensed 5-oxazolidinone derivativeSUMITOMO DAINIPPON PHARMA CO LTD·Filed 2014·Granted Aug 1, 2017·3 cites·31 claims
- 0768US2023287009A1Oxo-substituted compoundSUMITOMO PHARMA CO LTD·Filed 2023·Application pending·0 cites
- 0866US10953008B2Substituted pyrazolo[1,5-a]pyrazines as negative allosteric modulators of group II metabotropic glutamate receptorSUMITOMO DAINIPPON PHARMA CO LTD·Filed 2020·Granted Mar 23, 2021·0 cites·19 claims
- 0960US11066425B1Oxo-substituted compoundSUMITOMO DAINIPPON PHARMA CO LTD·Filed 2020·Granted Jul 20, 2021·0 cites·27 claims
- 1058US8389511B2Bicyclic heterocyclic derivativeNAKAHIRA HIROYUKI·Filed 2008·Granted Mar 5, 2013·1 cites·38 claims
- 1155US8658639B2N-substituted-cyclic amino derivativeSUETSUGU SATOSHI·Filed 2010·Granted Feb 25, 2014·1 cites·36 claims
- 1254US11633395B2Substituted pyrazolo[1,5-a]pyrazines as negative allosteric modulators of group II metabotropic glutamate receptorSUMITOMO PHARMA CO LTD·Filed 2018·Granted Apr 25, 2023·0 cites·73 claims
- 1353US11702431B2Oxo-substituted compoundSUMITOMO PHARMA CO LTD·Filed 2019·Granted Jul 18, 2023·0 cites·68 claims
- 1447US2023038124A1Novel substituted condensed ring compoundSUMITOMO PHARMA CO LTD·Filed 2020·Application pending·0 cites
- 1545US2010056497A1Amide derivativeDAINIPPON SUMITOMO PHARMA CO·Filed 2008·Application pending·0 cites
- 1639US9758480B21-(cycloalkyl-carbonyl)proline derivativeSUMITOMO DAINIPPON PHARMA CO LTD·Filed 2013·Granted Sep 12, 2017·0 cites·39 claims
- 1738US2016318933A1Fused pyrazole derivativeSUMITOMO DAINIPPON PHARMA CO LTD·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →