Inventor · disambiguated record
Masamichi Sukegawa
Also filed as: SUKEGAWA MASAMICHI
31 granted patents·23 pending applications·176 citations·filing 1996–2025
96Inventor score
Top patents by PatentIndex Score
54 records- 0196US10538605B2Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powderDAIKIN IND LTD·Filed 2017·Granted Jan 21, 2020·8 cites·5 claims
- 0295US11767379B2Method for manufacturing fluoropolymerDAIKIN IND LTD·Filed 2019·Granted Sep 26, 2023·7 cites·13 claims
- 0391US11512155B2Production method for fluoropolymer, surfactant for polymerization, and use of surfactantDAIKIN IND LTD·Filed 2018·Granted Nov 29, 2022·3 cites·5 claims
- 0491US11279814B2Production method for fluoropolymer, surfactant for polymerization, and use of surfactantDAIKIN IND LTD·Filed 2018·Granted Mar 22, 2022·2 cites·11 claims
- 0590US6441162B2Crystalline substance of cefditoren pivoxyl and the production of the sameMEIJI SEIKA KAISHA·Filed 2001·Granted Aug 27, 2002·39 cites·5 claims
- 0690US2025368814A1Method for manufacturing fluoropolymerDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 0789US12410266B2Method for manufacturing fluoropolymerDAIKIN IND LTD·Filed 2023·Granted Sep 9, 2025·0 cites·14 claims
- 0889US10793650B2Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powderDAIKIN IND LTD·Filed 2019·Granted Oct 6, 2020·2 cites·2 claims
- 0989US2024317907A1Production method for fluoropolymer, surfactant for polymerization, and use of surfactantDAIKIN IND LTD·Filed 2024·Application pending·0 cites
- 1086US12012470B2Production method for fluoropolymer, surfactant for polymerization, and use of surfactantDAIKIN IND LTD·Filed 2022·Granted Jun 18, 2024·0 cites·19 claims
- 1186US12006407B2Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powderDAIKIN IND LTD·Filed 2023·Granted Jun 11, 2024·0 cites·8 claims
- 1286US10870735B2Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powderDAIKIN IND LTD·Filed 2017·Granted Dec 22, 2020·1 cites·4 claims
- 1386US2025361380A1Production method for fluoropolymer, surfactant for polymerization, and use of surfactantDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 1485US6486149B2Composition comprising a crystallographically stable, amorphous cephalosporin and processes for the preparation thereofMEIJI SEIKA KAISHA·Filed 2001·Granted Nov 26, 2002·26 cites·4 claims
- 1584US10731015B2Modified fluorine-containing copolymer, fluorine resin molded article, and method for manufacturing fluorine resin molded articleDAIKIN IND LTD·Filed 2013·Granted Aug 4, 2020·3 cites·8 claims
- 1682US12404387B2Production method for fluoropolymer, surfactant for polymerization, and use of surfactantDAIKIN IND LTD·Filed 2022·Granted Sep 2, 2025·0 cites·11 claims
- 1780US2023220129A1Method for manufacturing fluoropolymer, surfactant for polymerization, use for surfactant, and compositionDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 1876US11814490B2Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powderDAIKIN IND LTD·Filed 2020·Granted Nov 14, 2023·0 cites·1 claims
- 1972US2025171627A1Polytetrafluoroethylene and stretched bodyDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 2070US7528221B2Modified polytetrafluoethylene molded article and process for manufacture thereofDAIKIN IND LTD·Filed 2005·Granted May 5, 2009·2 cites·14 claims
- 2169US2025270727A1Electrodeposition coating composition, coating, coated article, coated electric wire and printed boardDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 2268US11634514B2Method for manufacturing fluoropolymer, surfactant for polymerization, use for surfactant, and compositionDAIKIN IND LTD·Filed 2019·Granted Apr 25, 2023·0 cites·6 claims
- 2365US11952441B2Polytetrafluoroethylene production methodDAIKIN IND LTD·Filed 2019·Granted Apr 9, 2024·0 cites·12 claims
- 2465US2021221992A1Polytetrafluoroethylene and stretched bodyDAIKIN IND LTD·Filed 2019·Application pending·0 cites
- 2564US2025201442A1Insulated wireDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 2663US12437897B2Magnet wire and coilDAIKIN IND LTD·Filed 2020·Granted Oct 7, 2025·0 cites·5 claims
- 2763US8247506B2PTFE powder and method of producing PTFE molding powdersTSUJI MASAYUKI·Filed 2008·Granted Aug 21, 2012·0 cites·3 claims
- 2863US6930142B2Seal ringDAIKIN IND LTD·Filed 2001·Granted Aug 16, 2005·5 cites·9 claims
- 2961US12183955B2Sealing structure for batteryDAIKIN IND LTD·Filed 2021·Granted Dec 31, 2024·0 cites·19 claims
- 3061US2025140442A1Rectangular wire, coil, and thermal shrinkage tubeDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 3159US2025246338A1Covered wire and method for producing covered wireDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 3255US2025210218A1Insulated wire and production method thereforDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 3354US6294669B1Crystalline substance of cefditoren pivoxyl and the production of the sameMEIJI SEIKA KAISHA·Filed 1997·Granted Sep 25, 2001·10 cites·6 claims
- 3453US6350801B1Filled granular polytetrafluoroethylene powderDAIKIN IND LTD·Filed 1998·Granted Feb 26, 2002·13 cites·11 claims
- 3552US2023216120A1Sealing member and cylindrical lithium-ion batteryDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 3651US6037402AGranular powder of filled polytetrafluoroethylene and process for the production thereofDAIKIN IND LTD·Filed 1996·Granted Mar 14, 2000·12 cites·15 claims
- 3751US2023259677A1Predicting device, and predicting methodDAIKIN IND LTD·Filed 2023·Application pending·0 cites
- 3850US11859075B2Core-shell type particle, dispersion and powderDAIKIN IND LTD·Filed 2018·Granted Jan 2, 2024·0 cites·5 claims
- 3950US6451903B1Filled particulate powder of polytetrafluoroethylene and process for preparing the sameDAIKIN IND LTD·Filed 1998·Granted Sep 17, 2002·11 cites·19 claims
- 4050US6342493B1Crystallographically stable amorphous cephalosporin compositions and process for producing the sameMEIJI SEIKA KAISHA·Filed 1999·Granted Jan 29, 2002·8 cites·7 claims
- 4150US2015200402A1Sheet, electrode and fuel cellDAIKIN IND LTD·Filed 2013·Application pending·0 cites
- 4249US8466236B2Fluororesin composition, fluororesin molded article and method for producing the sameYOSHIMOTO HIROYUKI·Filed 2008·Granted Jun 18, 2013·0 cites·6 claims
- 4349US2014227533A1Laminate body and method for producing laminate bodyDAIKIN IND LTD·Filed 2012·Application pending·0 cites
- 4448US2008227880A1Porous body and filterDAIKIN IND LTD·Filed 2008·Application pending·0 cites
- 4548US2021340290A1Polytetrafluoroethylene production methodDAIKIN IND LTD·Filed 2019·Application pending·0 cites
- 4647US6288223B1Process for the selective preparation of Z-isomers of 3-2(substituted vinyl)cephalosporinsMEIJI SEIKA KAISHA·Filed 1998·Granted Sep 11, 2001·9 cites·10 claims
- 4747US2005010007A1Ptfe powder and method of producing ptfe powder for moldingFiled 2002·Application pending·0 cites
- 4846US2021032472A1Acetylpolyamine detection agentDAIKIN IND LTD·Filed 2019·Application pending·0 cites
- 4945US6759470B2Resin powder for molding and preparation process of sameDAIKIN IND LTD·Filed 2002·Granted Jul 6, 2004·6 cites·18 claims
- 5045US6197862B1Filled polytetrafluoroethylene granular powder and process for the production thereofDAIKIN IND LTD·Filed 1996·Granted Mar 6, 2001·9 cites·20 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →