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Toshiyuki Ayukawa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic sensor with reduced effect of interlayer coupling magnetic...
Patent number
9,389,286
Issue date
Jul 12, 2016
TDK Corporation
Hiroshi Yamazaki
G01 - MEASURING TESTING
Information
Patent Grant
Magnetoresistive effect element and magnetic disk device
Patent number
8,310,791
Issue date
Nov 13, 2012
TDK Corporation
Takahiko Machita
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Multilayered waveguide having protruded light-emitting end
Patent number
8,213,272
Issue date
Jul 3, 2012
TDK Corporation
Seiichi Takayama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic field detecting element including tri-layer stack with ste...
Patent number
8,149,546
Issue date
Apr 3, 2012
TDK Corporation
Toshiyuki Ayukawa
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetoresistive device of the CCP (current perpendicular to plane)...
Patent number
8,094,420
Issue date
Jan 10, 2012
TDK Corporation
Toshiyuki Ayukawa
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Thin film magnetic head and magnetic disk device
Patent number
8,009,392
Issue date
Aug 30, 2011
TDK Corporation
Takayasu Kanaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for manufacturing CPP-type magnetoresistance effect element
Patent number
7,947,188
Issue date
May 24, 2011
TDK Corporation
Toshiyuki Ayukawa
G11 - INFORMATION STORAGE
Information
Patent Grant
CPP type magnetoresistive device with biasing arrangement for ferro...
Patent number
7,881,021
Issue date
Feb 1, 2011
TDK Corporation
Tsutomu Chou
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetoresistive element and magnetic head
Patent number
7,855,859
Issue date
Dec 21, 2010
TDK Corporation
Shinji Hara
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
Information
Patent Application
MAGNETIC SENSOR WITH REDUCED EFFECT OF INTERLAYER COUPLING MAGNETIC...
Publication number
20140292322
Publication date
Oct 2, 2014
TDK Corporation
Hiroshi YAMAZAKI
G01 - MEASURING TESTING
Information
Patent Application
Multilayered Waveguide Having Protruded Light-Emitting End
Publication number
20100315736
Publication date
Dec 16, 2010
TDK Corporation
Seiichi Takayama
G02 - OPTICS
Information
Patent Application
Magnetoresistive effect element and magnetic disk device
Publication number
20100232074
Publication date
Sep 16, 2010
TDK Corporation
Takahiko Machita
G11 - INFORMATION STORAGE
Information
Patent Application
Thin film magnetic head and magnetic disk device
Publication number
20100177440
Publication date
Jul 15, 2010
TDK Corporation
Takayasu Kanaya
G01 - MEASURING TESTING
Information
Patent Application
Method for manufacturing CPP-type magnetoresistance effect element
Publication number
20100163519
Publication date
Jul 1, 2010
TDK Corporation
Toshiyuki Ayukawa
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetoresistive element including a pair of ferromagnetic layers c...
Publication number
20100103563
Publication date
Apr 29, 2010
TDK Corporation
Takahiko Machita
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETO-RESISTANCE EFFECT ELEMENT PROVIDED WITH CURRENT LIMITING LA...
Publication number
20090303640
Publication date
Dec 10, 2009
TDK Corporation
Tomohito Mizuno
G01 - MEASURING TESTING
Information
Patent Application
MAGNETORESISTIVE DEVICE OF THE CPP TYPE, AND MAGNETIC DISK SYSTEM
Publication number
20090290264
Publication date
Nov 26, 2009
TDK Corporation
Toshiyuki Ayukawa
G01 - MEASURING TESTING
Information
Patent Application
MAGNETO-RESISTIVE EFFECT DEVICE OF THE CPP TYPE, AND MAGNETIC DISK...
Publication number
20090190270
Publication date
Jul 30, 2009
TDK Corporation
Tsutomu Chou
G01 - MEASURING TESTING
Information
Patent Application
Magnetoresistive element and magnetic head
Publication number
20090168264
Publication date
Jul 2, 2009
TDK Corporation
Shinji Hara
G01 - MEASURING TESTING
Information
Patent Application
CPP MAGNETO-RESISTIVE ELEMENT PROVIDED WITH A PAIR OF MAGNETIC LAYE...
Publication number
20090128965
Publication date
May 21, 2009
Tomohito MIZUNO
G01 - MEASURING TESTING
Information
Patent Application
MAGNETIC FIELD DETECTING ELEMENT INCLUDING TRI-LAYER STACK WITH STE...
Publication number
20090109580
Publication date
Apr 30, 2009
Toshiyuki AYUKAWA
G11 - INFORMATION STORAGE