P

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 patents
US11767379B2Sep 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 patents

MIYAMOTO MASAYOSHI

2 patents

SAWADA YASUHIKO

2 patents

TAIRA TAKAHIRO

1 patent

INUI KUNIHIKO

1 patent

ISHIKAWA TAKUJI

1 patent

YAMANAKA TAKU

1 patent

Showing the top 50 of 52 patents by PatentIndex Score.