Inventor · disambiguated record
Kouhei Takemura
Also filed as: TAKEMURA KOUHEI
25 granted patents·27 pending applications·165 citations·filing 1995–2025
93Inventor score
Files withDAIKIN IND LTD21MITSUBISHI GAS CHEMICAL CO15SUMITOMO RUBBER IND6TAKEMURA KOUHEI5OGISHI HIDETAKA3
Top patents by PatentIndex Score
52 records- 0184US2024026139A1Composition for fluorine rubber crosslinking, molded article and sealing materialDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 0283US5833552AGolf ballSUMITOMO RUBBER IND·Filed 1997·Granted Nov 10, 1998·45 cites·15 claims
- 0381US8796384B2Crosslinkable fluorine rubber composition, fluorine rubber molded article, and method for producing the sameTAKEMURA KOUHEI·Filed 2010·Granted Aug 5, 2014·5 cites·8 claims
- 0478US12486393B2Composition for fluorine rubber crosslinking and molded articleDAIKIN IND LTD·Filed 2023·Granted Dec 2, 2025·0 cites·11 claims
- 0577US6645089B2Golf ballSUMITOMO RUBBER IND·Filed 2001·Granted Nov 11, 2003·29 cites·15 claims
- 0676US6096830AThermoplastic elastomer composition, process for producing the same and golf ball using the same for coverSUMITOMO RUBBER IND·Filed 1996·Granted Aug 1, 2000·33 cites·11 claims
- 0775US2024336766A1Crosslinkable composition, member and use of crosslinkable compositionDAIKIN IND LTD·Filed 2024·Application pending·0 cites
- 0872US2024026138A1Composition for fluorine rubber crosslinking, molded article and sealing materialDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 0972US2024034871A1Composition for fluorine rubber crosslinking, molded article and sealing materialDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 1072US2024124700A1Fluororubber crosslinking composition, article and sealing memberDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 1171US2024052072A1Composition for fluorine rubber crosslinking, molded article and sealing materialDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 1270US6354966B1Multi-piece solid golf ballSUMITOMO RUBBER IND·Filed 2000·Granted Mar 12, 2002·18 cites·18 claims
- 1370US2025109219A1Fluoroelastomer crosslinkable composition and articleDAIKIN IND LTD·Filed 2024·Application pending·0 cites
- 1466US2024132633A1Production method of fluorine-containing elastomer aqueous dispersionDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 1565US5733977ASolid golf ballSUMITOMO RUBBER IND·Filed 1996·Granted Mar 31, 1998·34 cites·15 claims
- 1664US2023322975A1Method for producing fluorine-containing elastomer aqueous dispersion, and compositionDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 1764US2023167212A1Method for preparing fluorine-containing elastomer aqueous dispersion, and fluorine-containing elastomer aqueous dispersionDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 1863US9260566B2Composition for optical materials, process for production thereof, and optical materials made from the compositionMITSUBISHI GAS CHEMICAL CO·Filed 2015·Granted Feb 16, 2016·0 cites·5 claims
- 1963US2024199778A1Fluororubber crosslinking composition, article and sealing memberDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 2062US2023167213A1Method for manufacturing fluorine-containing elastomer aqueous dispersion, fluorine-containing elastomer, and aqueous dispersionDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 2162US2023192924A1Method for producing fluorine-containing elastomer aqueous dispersion and fluorine-containing elastomer aqueous dispersionDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 2262US2023167219A1Method for producing aqueous dispersion liquid of fluorine-containing elastomer, fluorine-containing elastomer and aqueous dispersion liquidDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 2361US2025163014A1Production method for episulfide compoundMITSUBISHI GAS CHEMICAL CO·Filed 2023·Application pending·0 cites
- 2460US11945791B2Allyl compound and composition for optical materialMITSUBISHI GAS CHEMICAL CO·Filed 2019·Granted Apr 2, 2024·0 cites·4 claims
- 2560US11858920B2Episulfide compound and composition for optical materialMITSUBISHI GAS CHEMICAL CO·Filed 2019·Granted Jan 2, 2024·0 cites·14 claims
- 2660US10047043B2Thiol compound composition for optical materialMITSUBISHI GAS CHEMICAL CO·Filed 2017·Granted Aug 14, 2018·0 cites·9 claims
- 2759US9322477B2Vehicle transmission oil sealOGISHI HIDETAKA·Filed 2011·Granted Apr 26, 2016·1 cites·12 claims
- 2859US2025171613A1Crosslinkable composition and molded articleDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 2958US2024052105A1Composition, and optical material and lens using sameMITSUBISHI GAS CHEMICAL CO·Filed 2021·Application pending·0 cites
- 3058US2025163240A1Crosslinkable composition and molded articleDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 3158US2022340694A1Method for producing fluorine-containing polymer, fluorine-containing elastomer, and aqueous dispersion liquidDAIKIN IND LTD·Filed 2022·Application pending·0 cites
- 3257US12486352B2Composition, and optical material and lens using sameMITSUBISHI GAS CHEMICAL CO·Filed 2021·Granted Dec 2, 2025·0 cites·15 claims
- 3356US11078363B2Optical material compositionMITSUBISHI GAS CHEMICAL CO·Filed 2018·Granted Aug 3, 2021·0 cites·8 claims
- 3455US11919877B2Production method for 1,2,3,5,6-pentathiepaneMITSUBISHI GAS CHEMICAL CO·Filed 2019·Granted Mar 5, 2024·0 cites·8 claims
- 3555US11186673B2Composition for use as optical materialMITSUBISHI GAS CHEMICAL CO·Filed 2018·Granted Nov 30, 2021·0 cites·7 claims
- 3655US10982094B2Optical material compositionMITSUBISHI GAS CHEMICAL CO·Filed 2018·Granted Apr 20, 2021·0 cites·13 claims
- 3755US9663618B2Optical material composition, and application for sameMITSUBISHI GAS CHEMICAL CO·Filed 2016·Granted May 30, 2017·0 cites·11 claims
- 3854US2022251262A1Compressed member for electrochemical deviceDAIKIN IND LTD·Filed 2020·Application pending·0 cites
- 3952US12227603B2Compressed member for electrochemical deviceDAIKIN IND LTD·Filed 2020·Granted Feb 18, 2025·0 cites·7 claims
- 4052US12194717B2Air management system member and fluororubber compositionDAIKIN IND LTD·Filed 2018·Granted Jan 14, 2025·0 cites·4 claims
- 4151US9914799B2Composition for optical material and method for producing same, and optical material produced from composition for optical materialMITSUBISHI GAS CHEMICAL CO·Filed 2015·Granted Mar 13, 2018·0 cites·19 claims
- 4250US2023339921A1Composition, and optical material and lens using said compositionMITSUBISHI GAS CHEMICAL CO·Filed 2021·Application pending·0 cites
- 4349US9322957B2Method for producing optical materialMITSUBISHI GAS CHEMICAL CO·Filed 2013·Granted Apr 26, 2016·0 cites·5 claims
- 4448US2012309932A1Composition for optical materials, process for production thereof, and optical materials made from the compositionTAKEMURA KOUHEI·Filed 2011·Application pending·0 cites
- 4542US2002019268A1Golf ballFiled 2001·Application pending·0 cites
- 4642US2013280490A1Fluorine rubber molded articleTAKEMURA KOUHEI·Filed 2011·Application pending·0 cites
- 4741US8931452B2Vehicle valve stem sealOGISHI HIDETAKA·Filed 2011·Granted Jan 13, 2015·0 cites·16 claims
- 4839US2013267673A1Composition for optical materialTAKEMURA KOUHEI·Filed 2011·Application pending·0 cites
- 4939US2013231425A1Composition for optical materialTAKEMURA KOUHEI·Filed 2011·Application pending·0 cites
- 5038US9322476B2Vehicle engine oil sealOGISHI HIDETAKA·Filed 2011·Granted Apr 26, 2016·0 cites·12 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →