Inventor
YAMANAKA TAKU
JP52 patents
⚠️ This page may combine multiple inventors who share the name “YAMANAKA TAKU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAIKIN IND LTD
40 patentsUS11767379B2Sep 26, 2023
Method for manufacturing fluoropolymer
DAIKIN IND LTD7 citations85
US10538605B2Jan 21, 2020
Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder
DAIKIN IND LTD8 citations83
US9707504B2Jul 18, 2017
Composition having PTFE as main component, mixed powder, material for molding, filtering medium for filter, air filter unit, and a method for manufacturing a porous membrane
DAIKIN IND LTD7 citations83
US10047175B2Aug 14, 2018
Aqueous dispersion of low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene powder, and method for producing low molecular weight polytetrafluoroethylene
DAIKIN IND LTD2 citations73
US11512155B2Nov 29, 2022
Production method for fluoropolymer, surfactant for polymerization, and use of surfactant
DAIKIN IND LTD3 citations72
US11279814B2Mar 22, 2022
Production method for fluoropolymer, surfactant for polymerization, and use of surfactant
DAIKIN IND LTD2 citations72
US10870735B2Dec 22, 2020
Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder
DAIKIN IND LTD1 citations72
US10793650B2Oct 6, 2020
Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder
DAIKIN IND LTD2 citations72
US10265661B2Apr 23, 2019
Mixed powder and material for molding having PTFE as main component, and drawn porous body
DAIKIN IND LTD2 citations72
US11518826B2Dec 6, 2022
Method for producing polytetrafluoroethylene powder
DAIKIN IND LTD4 citations71
US12503560B2Dec 23, 2025
Method for producing fluoropolymer powder
DAIKIN IND LTD0 citations62
US12460025B2Nov 4, 2025
Polytetrafluoroethylene production method
DAIKIN IND LTD0 citations62
US12435213B2Oct 7, 2025
Production method of modified polytetrafluoroethylene and composition
DAIKIN IND LTD0 citations62
US12410266B2Sep 9, 2025
Method for manufacturing fluoropolymer
DAIKIN IND LTD0 citations62
US12404387B2Sep 2, 2025
Production method for fluoropolymer, surfactant for polymerization, and use of surfactant
DAIKIN IND LTD0 citations62
US12195617B2Jan 14, 2025
Composition and stretched body
DAIKIN IND LTD0 citations62
US12012470B2Jun 18, 2024
Production method for fluoropolymer, surfactant for polymerization, and use of surfactant
DAIKIN IND LTD0 citations62
US12006407B2Jun 11, 2024
Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder
DAIKIN IND LTD0 citations62
US11952441B2Apr 9, 2024
Polytetrafluoroethylene production method
DAIKIN IND LTD0 citations62
US11814490B2Nov 14, 2023
Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder
DAIKIN IND LTD0 citations62
US11084895B2Aug 10, 2021
Modified polytetrafluoroethylene fine powder and uniaxially stretched porous body
DAIKIN IND LTD1 citations62
US12466905B2Nov 11, 2025
Composition and method for producing the same
DAIKIN IND LTD0 citations61
US11152678B2Oct 19, 2021
Connector-attached dielectric waveguide including a connecting portion and a fixing portion that are slidably axially movable with respect to each other
DAIKIN IND LTD0 citations60
US12565580B2Mar 3, 2026
Aqueous modified polytetrafluoroethylene dispersion
DAIKIN IND LTD0 citations59
US10944146B2Mar 9, 2021
Dielectric waveguide having a dielectric waveguide body and a dielectric waveguide end with specified densities and method of producing
DAIKIN IND LTD1 citations58
US12087988B2Sep 10, 2024
Wiring board
DAIKIN IND LTD0 citations52
US11739205B2Aug 29, 2023
Method for producing composition containing low molecular weight polytetrafluoroethylene
DAIKIN IND LTD0 citations52
US7820775B2Oct 26, 2010
Tetrafluoroethylene polymer and aqueous dispersion thereof
DAIKIN IND LTD0 citations52
US12583947B2Mar 24, 2026
Method for producing fluoropolymer
DAIKIN IND LTD0 citations51
US12540203B2Feb 3, 2026
Method for producing purified polytetrafluoroethylene aqueous dispersion liquid, method for producing modified polytetrafluoroethylene powder, method for producing polytetrafluoroethylene molded body, and composition
DAIKIN IND LTD0 citations51
US11851519B2Dec 26, 2023
Method for producing purified polytetrafluoroethylene aqueous dispersion liquid, method for producing modified polytetrafluoroethylene powder, method for producing polytetrafluoroethylene molded body, and composition
DAIKIN IND LTD0 citations51
US11634514B2Apr 25, 2023
Method for manufacturing fluoropolymer, surfactant for polymerization, use for surfactant, and composition
DAIKIN IND LTD0 citations51
US10688448B2Jun 23, 2020
Porous body, polymer electrolyte membrane, filter material for filter, and filter unit
DAIKIN IND LTD0 citations50
US9976022B2May 22, 2018
Polytetrafluoroethylene aqueous dispersion
DAIKIN IND LTD0 citations50
US9902787B2Feb 27, 2018
Polytetrafluoroethylene powder
DAIKIN IND LTD0 citations50
US9458316B2Oct 4, 2016
Dripping inhibitor and resin compound
DAIKIN IND LTD0 citations50
US12469945B2Nov 11, 2025
Dielectric waveguide line
DAIKIN IND LTD0 citations49
US12503527B2Dec 23, 2025
Method for producing fluoropolymer, method for producing polytetrafluoroethylene, method for producing perfluoroelastomer, and composition
DAIKIN IND LTD0 citations48
US12492271B2Dec 9, 2025
Method for producing fluoropolymer
DAIKIN IND LTD0 citations48
US10601098B2Mar 24, 2020
Dielectric waveguide line comprising a polytetrafluoroethylene molded article and method of manufacture
DAIKIN IND LTD0 citations46
SUMITOMO ELECTRIC FINE POLYMER INC
2 patentsUS11326034B2May 10, 2022
Method for manufacturing polytetrafluoroethylene formed product, and polytetrafluoroethylene formed product
SUMITOMO ELECTRIC FINE POLYMER INC3 citations71
US10858487B2Dec 8, 2020
Polytetrafluoroethylene formed product, and manufacturing method therefor
SUMITOMO ELECTRIC FINE POLYMER INC0 citations50
MIYAMOTO MASAYOSHI
2 patentsSAWADA YASUHIKO
2 patentsTAIRA TAKAHIRO
1 patentINUI KUNIHIKO
1 patentISHIKAWA TAKUJI
1 patentYAMANAKA TAKU
1 patentShowing the top 50 of 52 patents by PatentIndex Score.