Assignee
KANTO DENKA KOGYO KK
JP·63 granted patents·22 pending applications·192 citations·filing 1975–2023
Top patents by PatentIndex Score
85 records- 0195US8957258B2BIS(1,1-Dichloro-3,3,3-trifluoropropyl) ether and process for preparing the sameKANTO DENKA KOGYO KK·Filed 2013·Granted Feb 17, 2015·16 cites·2 claims
- 0289US7964118B2Positive electrode active material and method of producing the same and nonaqueous electrolyte battery having positive electrode containing positive electrode active materialKANTO DENKA KOGYO KK·Filed 2006·Granted Jun 21, 2011·14 cites·8 claims
- 0384US7919141B2Processes and equipments for preparing F2-containing gases, as well as process and equipments for modifying the surfaces of articlesKANTO DENKA KOGYO KK·Filed 2005·Granted Apr 5, 2011·8 cites·26 claims
- 0483US10392325B2Method for producing fluorinated alkane, method for separating and recovering amidine base, and method for using recovered amidine baseKANTO DENKA KOGYO KK·Filed 2016·Granted Aug 27, 2019·3 cites·8 claims
- 0575US12441870B2ZrO2 dispersion liquidKANTO DENKA KOGYO KK·Filed 2022·Granted Oct 14, 2025·0 cites·10 claims
- 0675US11046629B2Method of producing compound having butadiene skeleton containing hydrogen and fluorine and/or chlorineKANTO DENKA KOGYO KK·Filed 2019·Granted Jun 29, 2021·1 cites·7 claims
- 0775US10287499B2Etching gas composition for silicon compound, and etching methodKANTO DENKA KOGYO KK·Filed 2015·Granted May 14, 2019·2 cites·6 claims
- 0875US4242484AVinylidene chloride copolymer as a material for production of packaging articlesKANTO DENKA KOGYO KK·Filed 1979·Granted Dec 30, 1980·16 cites·1 claims
- 0972US11814726B2Dry etching method or dry cleaning methodKANTO DENKA KOGYO KK·Filed 2022·Granted Nov 14, 2023·0 cites·12 claims
- 1071US11795396B2Dry etching gas composition comprising sulfur-containing fluorocarbon compound having unsaturated bond and dry etching method using the sameKANTO DENKA KOGYO KK·Filed 2022·Granted Oct 24, 2023·0 cites·18 claims
- 1171US11584989B2Dry etching method or dry cleaning methodKANTO DENKA KOGYO KK·Filed 2018·Granted Feb 21, 2023·1 cites·16 claims
- 1269US7465834B2Ionic liquids and process for manufacturing the sameKANTO DENKA KOGYO KK·Filed 2004·Granted Dec 16, 2008·11 cites·20 claims
- 1369US4274865AProduction of magnetic powderKANTO DENKA KOGYO KK·Filed 1979·Granted Jun 23, 1981·19 cites·20 claims
- 1468US11821099B2Electrode production methodKANTO DENKA KOGYO KK·Filed 2022·Granted Nov 21, 2023·0 cites·17 claims
- 1568US11315797B2Plasma etching method using gas molecule containing sulfur atomKANTO DENKA KOGYO KK·Filed 2019·Granted Apr 26, 2022·1 cites·9 claims
- 1668US11111196B21,2-dichloro-1-(2,2,2-trifluoroethoxy)ethylene, production method therefor, and uses thereofKANTO DENKA KOGYO KK·Filed 2018·Granted Sep 7, 2021·0 cites·9 claims
- 1767US12415965B2Additive for lubricantsKANTO DENKA KOGYO KK·Filed 2022·Granted Sep 16, 2025·0 cites·9 claims
- 1867US11434565B2Cleaning method of semiconductor manufacturing deviceKANTO DENKA KOGYO KK·Filed 2017·Granted Sep 6, 2022·1 cites·6 claims
- 1967US10982811B2Material, storage container using the material, valve attached to the storage container, method of storing ClF and method of using ClF storage containerKANTO DENKA KOGYO KK·Filed 2017·Granted Apr 20, 2021·1 cites·10 claims
- 2066US12540369B2Method for recovering lithiumKANTO DENKA KOGYO KK·Filed 2021·Granted Feb 3, 2026·0 cites·18 claims
- 2166US11795397B2Dry etching gas composition comprising sulfur-containing fluorocarbon compound and dry etching method using the sameKANTO DENKA KOGYO KK·Filed 2022·Granted Oct 24, 2023·0 cites·13 claims
- 2264US10899615B2Feeding process of chlorine fluorideKANTO DENKA KOGYO KK·Filed 2017·Granted Jan 26, 2021·1 cites·14 claims
- 2364US2025276948A11,1,1,5,5,5-hexafluoro-3-(2,2,2-trifluoroethoxy)-2-pentene and uses and production method thereofKANTO DENKA KOGYO KK·Filed 2023·Application pending·0 cites
- 2464US2025282699A1Method for producing 1,1,1,3,5,5,5-heptafluoro-2-penteneKANTO DENKA KOGYO KK·Filed 2023·Application pending·0 cites
- 2562US11814561B2Dry etching gas composition comprising sulfur-containing fluorocarbon compound having unsaturated bond and dry etching method using the sameKANTO DENKA KOGYO KK·Filed 2019·Granted Nov 14, 2023·0 cites·10 claims
- 2662US11532838B2Nonaqueous electrolyte solution and nonaqueous electrolyte batteryKANTO DENKA KOGYO KK·Filed 2018·Granted Dec 20, 2022·0 cites·20 claims
- 2762US4306921AProduction of magnetic powderKANTO DENKA KOGYO KK·Filed 1979·Granted Dec 22, 1981·12 cites·18 claims
- 2861US11287370B2Method and device for analyzing gasKANTO DENKA KOGYO KK·Filed 2019·Granted Mar 29, 2022·0 cites·7 claims
- 2960US2024182410A1D-luciferin, d-luciferin derivative, precursor of these compounds and method for producing these compoundsKANTO DENKA KOGYO KK·Filed 2022·Application pending·0 cites
- 3059US2025270156A1Method for producing 3-chloro-1,1,1,5,5,5-hexafluoro-2-penteneKANTO DENKA KOGYO KK·Filed 2023·Application pending·0 cites
- 3158US2019337873A1Method for producing fluorinated alkane, method for separating and recovering amidine base, and method for using recovered amidine baseKANTO DENKA KOGYO KK·Filed 2019·Application pending·0 cites
- 3257US2026055039A1Method for producing chlorofluorobutane (cfb)KANTO DENKA KOGYO KK·Filed 2023·Application pending·0 cites
- 3357US2026035325A1Method for producing 1,2,3,4-tetrachloro-1,1,2,3,4,4-hexafluorobutaneKANTO DENKA KOGYO KK·Filed 2023·Application pending·0 cites
- 3456US12410112B2Purification method for fluoroolefin having structure of =CF2 or =CHF, high-purity fluoroolefin, and production method thereforKANTO DENKA KOGYO KK·Filed 2020·Granted Sep 9, 2025·0 cites·12 claims
- 3556US2021388264A1Dry etching gas composition comprising sulfur-containing fluorocarbon compound and dry etching method using the sameKANTO DENKA KOGYO KK·Filed 2019·Application pending·0 cites
- 3656US2023109353A1Fluorine-containing copolymer compositionKANTO DENKA KOGYO KK·Filed 2021·Application pending·0 cites
- 3755US12486213B2Method of purifying carboxylic acid fluorideKANTO DENKA KOGYO KK·Filed 2021·Granted Dec 2, 2025·0 cites·16 claims
- 3855US11878915B2Production method and production apparatus for molybdenum hexafluorideKANTO DENKA KOGYO KK·Filed 2019·Granted Jan 23, 2024·0 cites·13 claims
- 3954US11667811B2Coating composition excellent in abrasion resistanceKANTO DENKA KOGYO KK·Filed 2020·Granted Jun 6, 2023·0 cites·22 claims
- 4054US2023295770A1Method for recovering lithium and method for producing lithium carbonateKANTO DENKA KOGYO KK·Filed 2021·Application pending·0 cites
- 4153US10431472B2Gas composition for dry etching and dry etching methodKANTO DENKA KOGYO KK·Filed 2018·Granted Oct 1, 2019·0 cites·13 claims
- 4253US2010206480A1Processes and equipments for preparing f2-containing gases, as well as processes and equipments for modifying the surfaces of articlesKANTO DENKA KOGYO KK·Filed 2010·Application pending·0 cites
- 4351US12540113B2Method of producing carboxylic acid fluorideKANTO DENKA KOGYO KK·Filed 2020·Granted Feb 3, 2026·0 cites·10 claims
- 4450US10629449B2Gas composition for dry etching and dry etching methodKANTO DENKA KOGYO KK·Filed 2016·Granted Apr 21, 2020·0 cites·2 claims
- 4549US7816172B2Organic thin-film transistor and fabrication method thereof and organic thin-film deviceKANTO DENKA KOGYO KK·Filed 2005·Granted Oct 19, 2010·0 cites·3 claims
- 4649US4447264AProduction of magnetic powderKANTO DENKA KOGYO KK·Filed 1983·Granted May 8, 1984·7 cites·7 claims
- 4748US11542231B2Method of producing fluorine-containing sulfide compoundsKANTO DENKA KOGYO KK·Filed 2019·Granted Jan 3, 2023·0 cites·12 claims
- 4848US11401614B2Electrolytic cell for producing nitrogen trifluoride gas and partition thereforKANTO DENKA KOGYO KK·Filed 2018·Granted Aug 2, 2022·0 cites·21 claims
- 4948US11183393B2Atomic layer etching using acid halideKANTO DENKA KOGYO KK·Filed 2018·Granted Nov 23, 2021·0 cites·7 claims
- 5048US9975771B2Process for purifying phosphorus pentafluorideKANTO DENKA KOGYO KK·Filed 2014·Granted May 22, 2018·0 cites·20 claims
Showing the top 50 of 85 patent records by PatentIndex Score.
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