Inventor
ISHIHARA SUMI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “ISHIHARA SUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAIKIN IND LTD
33 patentsUS11767379B2Sep 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
US5736274AApr 7, 1998
Conjugated N-fluoropyridinium salt-containing polymer and use of the same
DAIKIN IND LTD9 citations71
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
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
US11104639B2Aug 31, 2021
Branched fluorine-containing compound
DAIKIN IND LTD0 citations62
US7482302B2Jan 27, 2009
Fluorosulfonic acid compound, process for producing the same, and use thereof
DAIKIN IND LTD5 citations61
US9388117B2Jul 12, 2016
Method for producing α-fluoroacrylic acid ester
DAIKIN IND LTD2 citations60
US12410267B2Sep 9, 2025
Composition production method, and composition
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
US6239289B1May 29, 2001
O-(perfluoroalkyl)dibenzofuranium salt derivatives, intermediates for the preparation of the same, process for the preparation of the intermediates, perfluoroalkylating agents, and process for perfluoroalkylation
DAIKIN IND LTD0 citations52
US5569771AOct 29, 1996
(Haloalkyl) dibenzooniumsulfonate and its production methods; and a haloalkylating agent and haloalkylating methods
DAIKIN IND LTD1 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
US9738589B2Aug 22, 2017
Method for producing α-fluoroacrylic acid ester
DAIKIN IND LTD0 citations50
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
US12428365B2Sep 30, 2025
Production method of acrylic acid derivative
DAIKIN IND LTD0 citations47
US10865178B2Dec 15, 2020
Carboxylate salt or sulfonate salt, and surfactant
DAIKIN IND LTD0 citations42
US10526272B2Jan 7, 2020
Water elimination method
DAIKIN IND LTD0 citations40