Inventor · disambiguated record
Seiji Kamioka
Also filed as: KAMIOKA SEIJI
14 granted patents·9 pending applications·18 citations·filing 2015–2025
88Inventor score
Files withSUMITOMO PHARMA CO LTD11SUMITOMO DAINIPPON PHARMA CO LTD6BOSTON BIOMEDICAL INC5SUMITOMO PHARMA ONCOLOGY INC1
Top patents by PatentIndex Score
23 records- 0191US10815241B2Optically active azabicyclo ring derivativeSUMITOMO DAINIPPON PHARMA CO LTD·Filed 2020·Granted Oct 27, 2020·4 cites·10 claims
- 0291US10807993B2Dihydrochromene derivativesSUMITOMO DAINIPPON PHARMA CO LTD·Filed 2020·Granted Oct 20, 2020·3 cites·28 claims
- 0390US11564920B25-heteroaryl-1H-pyrazol-3-amine derivativeSUMITOMO PHARMA CO LTD·Filed 2022·Granted Jan 31, 2023·2 cites·18 claims
- 0489US11911381B2Optically active azabicyclo ring derivativeSUMITOMO PHARMA CO LTD·Filed 2022·Granted Feb 27, 2024·1 cites·15 claims
- 0585US11369605B2Optically active azabicyclo ring derivativeSUMITOMO DAINIPPON PHARMA CO LTD·Filed 2019·Granted Jun 28, 2022·5 cites·39 claims
- 0683US11325921B2Optically active crosslinked cyclic secondary amine derivativeSUMITOMO DAINIPPON PHARMA CO LTD·Filed 2019·Granted May 10, 2022·2 cites·23 claims
- 0781US12263167B2Optically active azabicyclo ring derivativeSUMITOMO PHARMA CO LTD·Filed 2024·Granted Apr 1, 2025·0 cites·19 claims
- 0875US12398149B2Dihydrochromene derivativesSUMITOMO PHARMA CO LTD·Filed 2023·Granted Aug 26, 2025·0 cites·9 claims
- 0974US10934309B2Tricyclic quinone derivativeBOSTON BIOMEDICAL INC·Filed 2018·Granted Mar 2, 2021·1 cites·1 claims
- 1072US2025177395A1Optically active azabicyclo ring derivativeSUMITOMO PHARMA CO LTD·Filed 2025·Application pending·0 cites
- 1169US11414394B2Process for producing a hydrate of a hydrochloride salt of 2,2′-((((((2-acetylnaphtho[2,3-b]furan-4,9-diyl)bis(oxy))bis(carbonyl))bis(azanediyl))bis(ethane-2,1-diyl))bis(azanediyl))diacetic acidSUMITOMO PHARMA ONCOLOGY INC·Filed 2020·Granted Aug 16, 2022·0 cites·8 claims
- 1266US11639357B2Dihydrochromene derivativesSUMITOMO PHARMA CO LTD·Filed 2020·Granted May 2, 2023·0 cites·31 claims
- 1364US12410154B25-heteroaryl-1H-pyrazol-3-amine derivativeSUMITOMO PHARMA CO LTD·Filed 2021·Granted Sep 9, 2025·0 cites·70 claims
- 1462US2024368138A1Self degradation-type cdk9 inhibitor prodrug and liposome encapsulating sameSUMITOMO PHARMA CO LTD·Filed 2023·Application pending·0 cites
- 1560US2025129049A11h-pyrazole-3-amine derivative having bicyclic backboneSUMITOMO PHARMA CO LTD·Filed 2022·Application pending·0 cites
- 1657US2025257055A1Tertiary amide derivatives substituted with 4-membered ring structureSUMITOMO PHARMA CO LTD·Filed 2025·Application pending·0 cites
- 1755US10800752B2Substituted naphtho[2,3-b]furans as water-soluble prodrugs for preventing and/or treating cancerBOSTON BIOMEDICAL INC·Filed 2018·Granted Oct 13, 2020·0 cites·12 claims
- 1855US10183925B2Substituted naphtho[2,3-b]furans as water-soluble prodrugs for preventing and/or treating cancerBOSTON BIOMEDICAL INC·Filed 2016·Granted Jan 22, 2019·0 cites·14 claims
- 1953US2025263415A1Tertiary amide derivatives substituted with 4-membered ring structureSUMITOMO PHARMA CO LTD·Filed 2025·Application pending·0 cites
- 2047US2020207782A1Chemically activated water-soluble prodrugSUMITOMO DAINIPPON PHARMA CO LTD·Filed 2018·Application pending·0 cites
- 2143US2021198283A1Optically active bridged piperidine derivativeSUMITOMO DAINIPPON PHARMA CO LTD·Filed 2019·Application pending·0 cites
- 2239US2019375723A1New Naphtho[2,3-B]Furan DerivativesBOSTON BIOMEDICAL INC·Filed 2017·Application pending·0 cites
- 2337US2017015677A1New tricyclic quinone derivativeBOSTON BIOMEDICAL INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →