P

Inventor

KISHIKAWA YOSUKE

JP58 patents
⚠️ This page may combine multiple inventors who share the name “KISHIKAWA YOSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DAIKIN IND LTD

49 patents
US11767379B2Sep 26, 2023

Method for manufacturing fluoropolymer

DAIKIN IND LTD7 citations85
US11708324B2Jul 25, 2023

Sulfuric acid ester or salt thereof, and surfactant

DAIKIN IND LTD2 citations73
US11072580B2Jul 27, 2021

Sulfuric acid ester or salt thereof, and surfactant

DAIKIN IND LTD4 citations73
US11999681B2Jun 4, 2024

Alkyl sulfate ester or salt of same

DAIKIN IND LTD2 citations72
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
US9758455B2Sep 12, 2017

Method for producing fluorinated organic compound and fluorinating reagent

DAIKIN IND LTD3 citations72
US11560347B2Jan 24, 2023

Method for producing fluorovinyl ether compound

DAIKIN IND LTD2 citations71
US12552762B2Feb 17, 2026

Fluorolactone and method for producing same

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
US12187859B2Jan 7, 2025

Process for producing aqueous fluoropolymer dispersion

DAIKIN IND LTD0 citations62
US12043606B2Jul 23, 2024

Fluorolactone and method for producing same

DAIKIN IND LTD0 citations62
US12012470B2Jun 18, 2024

Production method for fluoropolymer, surfactant for polymerization, and use of surfactant

DAIKIN IND LTD0 citations62
US11680037B2Jun 20, 2023

Branched fluorine-containing compound

DAIKIN IND LTD0 citations62
US11420877B2Aug 23, 2022

Lithium fluorosulfonate production method

DAIKIN IND LTD0 citations62
US11104639B2Aug 31, 2021

Branched fluorine-containing compound

DAIKIN IND LTD0 citations62
US11091432B2Aug 17, 2021

Composition, fluorinating reagent, and method for producing fluorinated organic compound

DAIKIN IND LTD0 citations62
US12410150B2Sep 9, 2025

Fluorolactone and method for producing same

DAIKIN IND LTD0 citations61
US12162832B2Dec 10, 2024

Production method of asymmetric chain carbonate

DAIKIN IND LTD0 citations60
US11932596B2Mar 19, 2024

Fluorovinyl ether compound

DAIKIN IND LTD0 citations60
US11718524B2Aug 8, 2023

Method for manufacturing sulfur tetrafluoride

DAIKIN IND LTD0 citations60
US11377407B2Jul 5, 2022

Method for producing difluoromethylene compound

DAIKIN IND LTD0 citations60
US11339052B2May 24, 2022

Method for manufacturing sulfur tetrafluoride

DAIKIN IND LTD0 citations60
US10577302B2Mar 3, 2020

Composition containing acrylic acid derivative, and method for stabilizing acrylic acid derivative

DAIKIN IND LTD1 citations60
US12286513B2Apr 29, 2025

Method for producing fluorine-containing polymer and composition thereof

DAIKIN IND LTD0 citations59
US10173960B2Jan 8, 2019

Composition

DAIKIN IND LTD1 citations58
US12410267B2Sep 9, 2025

Composition production method, and composition

DAIKIN IND LTD0 citations52
US11718599B2Aug 8, 2023

Method for producing cyclic carbonate having unsaturated group, and novel cyclic carbonate

DAIKIN IND LTD0 citations52
US11261148B2Mar 1, 2022

Method for producing carbonyl compound

DAIKIN IND LTD0 citations52
US11198670B2Dec 14, 2021

Hydrocarbon-containing carboxylic acid, hydrocarbon-containing sulfonic acid, hydrocarbon-containing sulfuric acid ester or salt thereof, and surfactant

DAIKIN IND LTD0 citations52
US12583947B2Mar 24, 2026

Method for producing fluoropolymer

DAIKIN IND LTD0 citations51
US11634514B2Apr 25, 2023

Method for manufacturing fluoropolymer, surfactant for polymerization, use for surfactant, and composition

DAIKIN IND LTD0 citations51
US11440875B2Sep 13, 2022

Sulfonic acid, carboxylic acid, and salts thereof

DAIKIN IND LTD0 citations51
US10479681B2Nov 19, 2019

Fluorinating agent

DAIKIN IND LTD0 citations51
US10233080B2Mar 19, 2019

Fluorinating agent

DAIKIN IND LTD0 citations51
US9593058B2Mar 14, 2017

Method for producing 1,1-dibromo-1-fluoroethane

DAIKIN IND LTD0 citations51
US12109512B2Oct 8, 2024

Purification method

DAIKIN IND LTD0 citations50
US11420923B2Aug 23, 2022

Method for producing alpha-fluoroacrylic acid

DAIKIN IND LTD0 citations50
US10851031B2Dec 1, 2020

Method for manufacturing difluoromethylene compound

DAIKIN IND LTD0 citations50
US10065917B2Sep 4, 2018

Method for purifying acrylic acid derivative

DAIKIN IND LTD1 citations50
US12338213B2Jun 24, 2025

Method for producing fluoroalkoxide

DAIKIN IND LTD0 citations49
US10774028B2Sep 15, 2020

Production method of asymmetric chain carbonate

DAIKIN IND LTD0 citations49
US10717693B2Jul 21, 2020

Method for producing diol

DAIKIN IND LTD0 citations49
US10099997B2Oct 16, 2018

Acrylic acid derivative-containing composition, and method for stabilizing acrylic acid derivative

DAIKIN IND LTD1 citations49
US9950984B2Apr 24, 2018

Production method for alpha-fluoro acrylic acid esters

DAIKIN IND LTD0 citations49
US9732027B2Aug 15, 2017

Production method for alpha-fluoro acrylic acid esters

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
US12162854B2Dec 10, 2024

Production method for fluoromethyl derivative

DAIKIN IND LTD0 citations48

THE DOSHISHA

1 patent

Showing the top 50 of 58 patents by PatentIndex Score.