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Katsuaki TO
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Chiba, JP
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last 30 patents
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Patent Grant
Magnetic recording medium having magnetic layer with nitride of car...
Patent number
11,295,775
Issue date
Apr 5, 2022
Showa Denko K.K.
Kota Hasegawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium having magnetic layer with hydride of car...
Patent number
10,984,829
Issue date
Apr 20, 2021
Showa Denko K.K.
Kota Hasegawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Magnetic recording medium and magnetic recording and reproducing ap...
Patent number
10,074,396
Issue date
Sep 11, 2018
Showa Denko K.K.
Eishin Yamakawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium fabrication method
Patent number
9,449,634
Issue date
Sep 20, 2016
Showa Denko K.K.
Takehiko Okabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium fabrication method and apparatus
Patent number
9,177,587
Issue date
Nov 3, 2015
Showa Denko K.K.
Takehiko Okabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium fabrication method
Patent number
9,159,354
Issue date
Oct 13, 2015
Showa Denko K.K.
Takehiko Okabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium fabrication method
Patent number
9,147,422
Issue date
Sep 29, 2015
Showa Denko K.K.
Takehiko Okabe
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
METHOD FOR PRODUCING FLUORINE GAS AND DEVICE FOR PRODUCING FLUORINE...
Publication number
20220228272
Publication date
Jul 21, 2022
SHOWA DENKO K.K.
Katsuaki TO
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
Publication number
20210098017
Publication date
Apr 1, 2021
SHOWA DENKO K.K.
Kota HASEGAWA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
Publication number
20190295583
Publication date
Sep 26, 2019
SHOWA DENKO K.K.
Kota HASEGAWA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING AP...
Publication number
20170084305
Publication date
Mar 23, 2017
SHOWA DENKO K.K.
Eishin YAMAKAWA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM FABRICATION METHOD
Publication number
20150332724
Publication date
Nov 19, 2015
SHOWA DENKO K.K.
Takehiko OKABE
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM FABRICATION METHOD
Publication number
20140295072
Publication date
Oct 2, 2014
SHOWA DENKO K.K.
Takehiko OKABE
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM FABRICATION METHOD
Publication number
20140295073
Publication date
Oct 2, 2014
SHOWA DENKO K.K.
Takehiko OKABE
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM FABRICATION METHOD AND APPARATUS
Publication number
20140212577
Publication date
Jul 31, 2014
SHOWA DENKO K.K.
Takehiko OKABE
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM FABRICATION METHOD
Publication number
20140212579
Publication date
Jul 31, 2014
SHOWA DENKO K.K.
Takehiko OKABE
G11 - INFORMATION STORAGE