Inventor · disambiguated record
Takehiro Chaki
Also filed as: CHAKI TAKEHIRO
34 granted patents·6 pending applications·25 citations·filing 2007–2025
94Inventor score
Top patents by PatentIndex Score
40 records- 0187US11691935B2Production method for fluoro-ethane and production method for fluoro-olefinDAIKIN IND LTD·Filed 2021·Granted Jul 4, 2023·1 cites·4 claims
- 0287US8900417B2Purification method of 2,3,3,3-tetrafluoropropeneCHAKI TAKEHIRO·Filed 2011·Granted Dec 2, 2014·5 cites·20 claims
- 0387US8344191B2Process for preparing 2,3,3,3-tetrafluoropropeneDAIKIN IND LTD·Filed 2009·Granted Jan 1, 2013·6 cites·5 claims
- 0485US9708234B2Process for producing fluorine-containing olefinDAIKIN IND LTD·Filed 2013·Granted Jul 18, 2017·5 cites·13 claims
- 0583US9938209B2Method for producing 2,3,3,3-tetrafluoropropeneDAIKIN IND LTD·Filed 2016·Granted Apr 10, 2018·1 cites·6 claims
- 0682US11198662B2Fluoroolefin production methodDAIKIN IND LTD·Filed 2019·Granted Dec 14, 2021·1 cites·9 claims
- 0779US8420873B2Process for preparing 2,3,3,3-tetrafluoropropeneTAKAHASHI KAZUHIRO·Filed 2009·Granted Apr 16, 2013·3 cites·5 claims
- 0876US7973202B2Method for producing fluorine-containing olefinDAIKIN IND LTD·Filed 2008·Granted Jul 5, 2011·2 cites·6 claims
- 0973US11247951B2Method for producing difluoroethyleneDAIKIN IND LTD·Filed 2021·Granted Feb 15, 2022·0 cites·11 claims
- 1072US10829426B2Composition containing hydrofluoroolefin compoundDAIKIN IND LTD·Filed 2019·Granted Nov 10, 2020·0 cites·5 claims
- 1168US11780793B2Method for producing 1,1,2-trifluoroethane (HFC-143)DAIKIN IND LTD·Filed 2021·Granted Oct 10, 2023·0 cites·11 claims
- 1267US10047023B2Method for producing 2,3,3,3-tetrafluoropropeneDAIKIN IND LTD·Filed 2016·Granted Aug 14, 2018·0 cites·6 claims
- 1367US10023510B2Method for producing 2,3,3,3-tetrafluoropropeneDAIKIN IND LTD·Filed 2016·Granted Jul 17, 2018·0 cites·5 claims
- 1467US9452958B2Process for producing fluorine-containing olefinDAIKIN IND LTD·Filed 2013·Granted Sep 27, 2016·1 cites·13 claims
- 1566US10196331B2Method for producing 2,3,3,3-tetrafluoropropeneDAIKIN IND LTD·Filed 2014·Granted Feb 5, 2019·0 cites·6 claims
- 1664US2023416175A1Method for preparing 1,1,2-trifluoroethaneDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 1764US2021246090A1Method for producing difluoroethyleneDAIKIN IND LTD·Filed 2019·Application pending·0 cites
- 1862US2025361194A1Fluoroethane compound production method and fluoroolefin production methodDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 1961US11560345B2Fluoroethane production method and fluoroolefin production methodDAIKIN IND LTD·Filed 2021·Granted Jan 24, 2023·0 cites·9 claims
- 2061US11377406B2Fluoroethane production method and fluoroolefin production methodDAIKIN IND LTD·Filed 2021·Granted Jul 5, 2022·0 cites·7 claims
- 2161US11312673B2Method for producing 1,1,2-trifluoroethane (HFC-143)DAIKIN IND LTD·Filed 2021·Granted Apr 26, 2022·0 cites·10 claims
- 2261US10472309B2Composition containing hydrofluoroolefin compoundDAIKIN IND LTD·Filed 2016·Granted Nov 12, 2019·0 cites·13 claims
- 2358US11236030B2Method for producing fluoroolefinDAIKIN IND LTD·Filed 2019·Granted Feb 1, 2022·0 cites·13 claims
- 2458US10125067B2Method for producing fluorine-containing alkaneDAIKIN IND LTD·Filed 2016·Granted Nov 13, 2018·0 cites·2 claims
- 2557US12258364B2Method for purifying phosphorus-containing olefin compound salt and method for producing olefin compound using purified product obtained therebyDAIKIN IND LTD·Filed 2022·Granted Mar 25, 2025·0 cites·9 claims
- 2656US10590051B2Method for producing fluorine-containing olefinDAIKIN IND LTD·Filed 2016·Granted Mar 17, 2020·0 cites·10 claims
- 2755US12275681B2Olefin compound production methodDAIKIN IND LTD·Filed 2022·Granted Apr 15, 2025·0 cites·5 claims
- 2855US2025230113A1Method for producing difluoroethyleneDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 2953US9428429B2Method for producing fluorine-containing alkaneSHIOTANI YUKO·Filed 2011·Granted Aug 30, 2016·0 cites·4 claims
- 3052US10053405B2Method for producing fluorine group-containing haloolefin compound and compositionDAIKIN IND LTD·Filed 2015·Granted Aug 21, 2018·0 cites·16 claims
- 3151US2021363396A1Composition containing trans-1,2-difluoroethylene (hfo-1132(e)) and 1,1,1-trifluoroethane (hfc-143a) and method for separating hfo-1132(e) and hfc-143a from composition containing hfo-1132(e) and hfc-143aDAIKIN IND LTD·Filed 2021·Application pending·0 cites
- 3250US9422211B2Process for producing 2,3,3,3-tetrafluoropropeneDAIKIN IND LTD·Filed 2013·Granted Aug 23, 2016·0 cites·10 claims
- 3349US10392326B2Method for producing fluorine-containing compoundDAIKIN IND LTD·Filed 2016·Granted Aug 27, 2019·0 cites·16 claims
- 3447US9573868B2Method for purifying chlorinated hydrocarbonCHAKI TAKEHIRO·Filed 2012·Granted Feb 21, 2017·0 cites·18 claims
- 3544US8080696B2Method for producing olefinSUGIYAMA AKINARI·Filed 2007·Granted Dec 20, 2011·0 cites·2 claims
- 3643US10590049B2Method for producing tetrafluoropropeneDAIKIN IND LTD·Filed 2017·Granted Mar 17, 2020·0 cites·10 claims
- 3742US8975456B2Method for purifying 2,3,3,3-tetrafluoropropeneCHAKI TAKEHIRO·Filed 2010·Granted Mar 10, 2015·0 cites·14 claims
- 3841US9975824B2Method for producing 2,3,3,3-tetrafluoropropeneDAIKIN IND LTD·Filed 2015·Granted May 22, 2018·0 cites·11 claims
- 3940US10173952B2Method for producing chloropropene and method for producing 2,3,3,3-tetrafluoropropeneDAIKIN IND LTD·Filed 2015·Granted Jan 8, 2019·0 cites·2 claims
- 4040US2018370877A1Method for producing 2,3,3,3-tetrafluoropropeneDAIKIN IND LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →