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Tetsuya HIRAKI
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic field detection device
Patent number
11,782,104
Issue date
Oct 10, 2023
TDK Corporation
Yoshiaki Tanaka
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic field detection device
Patent number
11,054,490
Issue date
Jul 6, 2021
TDK Corporation
Yoshiaki Tanaka
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic sensor
Patent number
10,418,546
Issue date
Sep 17, 2019
TDK Corporation
Tetsuya Hiraki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multi reader head having a varying gap layer laminated between readers
Patent number
9,792,934
Issue date
Oct 17, 2017
TDK Corporation
Tetsuya Hiraki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head comprising magneto-resistance effect element and side...
Patent number
9,767,834
Issue date
Sep 19, 2017
TDK Corporation
Tetsuya Hiraki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-resistive effect element having side shield integrated with...
Patent number
9,747,933
Issue date
Aug 29, 2017
TDK Corporation
Hisayoshi Watanabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Manufacturing method of thin-film magnetic head, wafer for thin-fil...
Patent number
8,098,462
Issue date
Jan 17, 2012
TDK Corporation
Tetsuya Hiraki
G11 - INFORMATION STORAGE
Information
Patent Grant
Wafer and manufacturing method of electronic component
Patent number
8,021,712
Issue date
Sep 20, 2011
TDK Corporation
Osamu Nakazawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin-film magnetic head
Patent number
7,948,709
Issue date
May 24, 2011
TDK Corporation
Tetsuya Hiraki
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of measuring dimension of pattern and method of forming pattern
Patent number
7,858,271
Issue date
Dec 28, 2010
TDK Corporation
Tetsuya Hiraki
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
MAGNETIC FIELD DETECTION DEVICE
Publication number
20230408605
Publication date
Dec 21, 2023
TDK Corporation
Yoshiaki TANAKA
G01 - MEASURING TESTING
Information
Patent Application
MAGNETIC SENSOR
Publication number
20230092117
Publication date
Mar 23, 2023
TDK Corporation
Tetsuya HIRAKI
G01 - MEASURING TESTING
Information
Patent Application
MAGNETIC SENSOR AND MAGNETIC SENSOR SYSTEM
Publication number
20230068352
Publication date
Mar 2, 2023
TDK Corporation
Tetsuya HIRAKI
G01 - MEASURING TESTING
Information
Patent Application
MAGNETIC FIELD DETECTION DEVICE
Publication number
20210333336
Publication date
Oct 28, 2021
TDK Corporation
Yoshiaki TANAKA
G01 - MEASURING TESTING
Information
Patent Application
MAGNETIC FIELD DETECTION DEVICE
Publication number
20180275216
Publication date
Sep 27, 2018
TDK Corporation
Yoshiaki Tanaka
G01 - MEASURING TESTING
Information
Patent Application
MAGNETIC SENSOR
Publication number
20180261760
Publication date
Sep 13, 2018
TDK Corporation
Tetsuya HIRAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD OF MANUFACTURING PERPENDICULAR MAGNETIC RECORDING HEAD
Publication number
20180005648
Publication date
Jan 4, 2018
TDK Corporation
Ken FUJII
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MAGNETIC HEAD COMPRISING MAGNETO-RESISTANCE EFFECT ELEMENT AND SIDE...
Publication number
20170270954
Publication date
Sep 21, 2017
TDK Corporation
Tetsuya HIRAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MULTI READER HEAD HAVING A VARYING GAP LAYER LAMINATED BETWEEN READERS
Publication number
20170256276
Publication date
Sep 7, 2017
TDK Corporation
Tetsuya HIRAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETO-RESISTIVE EFFECT ELEMENT HAVING SIDE SHIELD INTEGRATED WITH...
Publication number
20170236538
Publication date
Aug 17, 2017
TDK Corporation
Hisayoshi WATANABE
G11 - INFORMATION STORAGE
Information
Patent Application
MANUFACTURING METHOD OF THIN-FILM MAGNETIC HEAD, WAFER FOR THIN-FIL...
Publication number
20100321822
Publication date
Dec 23, 2010
TDK Corporation
Tetsuya Hiraki
G11 - INFORMATION STORAGE
Information
Patent Application
WAFER AND MANUFACTURING METHOD OF ELECTRONIC COMPONENT
Publication number
20100237345
Publication date
Sep 23, 2010
TDK Corporation
Osamu NAKAZAWA
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF MEASURING DIMENSION OF PATTERN AND METHOD OF FORMING PATTERN
Publication number
20100040957
Publication date
Feb 18, 2010
TDK Corporation
Tetsuya HIRAKI
G01 - MEASURING TESTING
Information
Patent Application
MANUFACTURING METHOD OF THIN-FILM MAGNETIC HEAD WITH DISHING SUPPRE...
Publication number
20090086381
Publication date
Apr 2, 2009
TDK Corporation
Tetsuya HIRAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MULTI-CHANNEL THIN-FILM MAGNETIC HEAD AND MAGNETIC TAPE DRIVE APPAR...
Publication number
20080218900
Publication date
Sep 11, 2008
TDK Corporation
Nozomu Hachisuka
G11 - INFORMATION STORAGE
Information
Patent Application
Thin-film magnetic head
Publication number
20080158735
Publication date
Jul 3, 2008
TDK Corporation
Tetsuya Hiraki
G11 - INFORMATION STORAGE