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Ryuuta MIYASAKA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic recording medium, fluorine-containing ether compound and l...
Patent number
11,661,478
Issue date
May 30, 2023
Showa Denko K.K.
Takuya Minami
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Fluorine-containing ether compound, lubricant for magnetic recordin...
Patent number
11,555,005
Issue date
Jan 17, 2023
Showa Denko K.K.
Naoya Fukumoto
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Lubricant for magnetic recording medium, and method for producing m...
Patent number
11,514,945
Issue date
Nov 29, 2022
Showa Denko K.K.
Hiroyuki Tomita
G11 - INFORMATION STORAGE
Information
Patent Grant
Fluorine-containing ether compound, lubricant for magnetic recordin...
Patent number
11,427,779
Issue date
Aug 30, 2022
Showa Denko K.K.
Yuta Yamaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fluorine-containing ether compound, lubricant for magnetic recordin...
Patent number
11,279,664
Issue date
Mar 22, 2022
Showa Denko K.K.
Daisuke Yagyu
G11 - INFORMATION STORAGE
Information
Patent Grant
Fluorine-containing ether compound, lubricant for magnetic recordin...
Patent number
11,220,649
Issue date
Jan 11, 2022
Showa Denko K.K.
Naoya Fukumoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
MAGNETIC RECORDING MEDIUM, FLUORINE-CONTAINING ETHER COMPOUND AND L...
Publication number
20200010619
Publication date
Jan 9, 2020
SHOWA DENKO K.K.
Takuya MINAMI
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDIN...
Publication number
20200002258
Publication date
Jan 2, 2020
SHOWA DENKO K.K.
Naoya FUKUMOTO
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
LUBRICANT FOR MAGNETIC RECORDING MEDIUM, AND METHOD FOR PRODUCING M...
Publication number
20200005824
Publication date
Jan 2, 2020
SHOWA DENKO K.K.
Hiroyuki TOMITA
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDIN...
Publication number
20190382676
Publication date
Dec 19, 2019
SHOWA DENKO K.K.
Yuta YAMAGUCHI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDIN...
Publication number
20190382675
Publication date
Dec 19, 2019
SHOWA DENKO K.K.
Naoya FUKUMOTO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
FLUORINE-CONTAINING ETHER COMPOUND, LUBRICANT FOR MAGNETIC RECORDIN...
Publication number
20190084911
Publication date
Mar 21, 2019
SHOWA DENKO K.K.
Daisuke YAGYU
G11 - INFORMATION STORAGE