Tsutomu Chou

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing thermally-assisted magnetic recording head...
- Patent number 10,152,991
- Issue date Dec 11, 2018
- Headway Technologies, Inc.
- Tsutomu Chou
- G11 - INFORMATION STORAGE
Information Patent Grant
Plasmon generator with separating layer for thermal assisted magnet...
- Patent number 10,043,542
- Issue date Aug 7, 2018
- TDK Corporation
- Koji Shimazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Plasmon generator with metallic waveguide blocker for TAMR
- Patent number 9,852,752
- Issue date Dec 26, 2017
- Headway Technologies, Inc.
- Tsutomu Chou
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermally assisted recording head utilizing laser light with limite...
- Patent number 9,305,573
- Issue date Apr 5, 2016
- TDK Corporation
- Shinji Hara
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermally-assisted magnetic recording head
- Patent number 9,165,569
- Issue date Oct 20, 2015
- TDK Corporation
- Takafumi Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermally assisted magnetic recording head with main magnetic pole...
- Patent number 9,165,581
- Issue date Oct 20, 2015
- TDK Corporation
- Susumu Aoki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistance effect element having layer containing Zn at the...
- Patent number 8,970,995
- Issue date Mar 3, 2015
- TDK Corporation
- Tsutomu Chou
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thermally-assisted magnetic recording head, head gimbal assembly, a...
- Patent number 8,873,351
- Issue date Oct 28, 2014
- TDK Corporation
- Susumu Aoki
- G11 - INFORMATION STORAGE
Information Patent Grant
Polarization converter including a jagged diagonal line in plane or...
- Patent number 8,854,931
- Issue date Oct 7, 2014
- TDK Corporation
- Eiji Komura
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing magnetoresistance effect element using sim...
- Patent number 8,845,867
- Issue date Sep 30, 2014
- TDK Corporation
- Shinji Hara
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thermally-assisted magnetic recording head having gap layers betwee...
- Patent number 8,760,979
- Issue date Jun 24, 2014
- TDK Corporation
- Tsutomu Chou
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermally-assisted magnetic recording head having gap layers betwee...
- Patent number 8,750,082
- Issue date Jun 10, 2014
- TDK Corporation
- Koji Shimazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermally-assisted magnetic recording head with optically isolating...
- Patent number 8,654,617
- Issue date Feb 18, 2014
- TDK Corporation
- Eiji Komura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-resistive effect element having spacer layer including main...
- Patent number 8,593,766
- Issue date Nov 26, 2013
- TDK Corporation
- Yoshihiro Tsuchiya
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of manufacturing thermal assisted magnetic write head
- Patent number 8,578,593
- Issue date Nov 12, 2013
- TDK Corporation
- Kosuke Tanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermally assisted magnetic head, magnetic head device and magnetic...
- Patent number 8,570,843
- Issue date Oct 29, 2013
- TDK Corporation
- Kei Hirata
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-resistive effect element having spacer layer including gall...
- Patent number 8,564,911
- Issue date Oct 22, 2013
- TDK Corporation
- Hayato Koike
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thermally-assisted magnetic recording head having temperature senso...
- Patent number 8,547,805
- Issue date Oct 1, 2013
- TDK Corporation
- Eiji Komura
- G11 - INFORMATION STORAGE
Information Patent Grant
Near field light generating element, thermally assisted magnetic he...
- Patent number 8,537,645
- Issue date Sep 17, 2013
- TDK Corporation
- Tsutomu Chou
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magneto-resistive effect element having spacer layer containing gal...
- Patent number 8,498,083
- Issue date Jul 30, 2013
- TDK Corporation
- Hayato Koike
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thin film magnetic head having a pair of magnetic layers whose magn...
- Patent number 8,477,461
- Issue date Jul 2, 2013
- TDK Corporation
- Tsutomu Chou
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thermal-assisted magnetic recording head having dielectric waveguid...
- Patent number 8,462,593
- Issue date Jun 11, 2013
- TDK Corporation
- Eiji Komura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-resistive effect element having spacer layer with thin cent...
- Patent number 8,441,763
- Issue date May 14, 2013
- TDK Corporation
- Tsutomu Chou
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Light source unit including a photodetector, and thermally-assisted...
- Patent number 8,437,237
- Issue date May 7, 2013
- TDK Corporation
- Eiji Komura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-resistive effect element, magnetic head, magnetic head slid...
- Patent number 8,432,645
- Issue date Apr 30, 2013
- TDK Corporation
- Hironobu Matsuzawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thermally-assisted magnetic recording head, head gimbals assembly,...
- Patent number 8,427,927
- Issue date Apr 23, 2013
- TDK Corporation
- Tsutomu Chou
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-resistive effect element having spacer layer including main...
- Patent number 8,405,935
- Issue date Mar 26, 2013
- TDK Corporation
- Tsutomu Chou
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thermally-assisted magnetic recording head, head gimbal assembly an...
- Patent number 8,400,886
- Issue date Mar 19, 2013
- TDK Corporation
- Shinji Hara
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermally-assisted magnetic recording head, head gimbal assembly an...
- Patent number 8,400,885
- Issue date Mar 19, 2013
- TDK Corporation
- Daisuke Miyauchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording element used for thermally-assisted magnetic rec...
- Patent number 8,385,160
- Issue date Feb 26, 2013
- TDK Corporation
- Shinji Hara
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

Information Patent Application
Plasmon Generator with Metallic Waveguide Blocker for TAMR and a Me...
- Publication number 20180182419
- Publication date Jun 28, 2018
- HEADWAY TECHNOLOGIES, INC.
- Tsutomu Chou
- G11 - INFORMATION STORAGE
Information Patent Application
PLASMON GENERATOR WITH SEPARATING LAYER FOR THERMAL ASSISTED MAGNET...
- Publication number 20170278530
- Publication date Sep 28, 2017
- TDK Corporation
- Koji SHIMAZAWA
- G11 - INFORMATION STORAGE
Information Patent Application
THERMALLY ASSISTED MAGNETIC RECORDING HEAD WITH MAIN MAGNETIC POLE...
- Publication number 20150262595
- Publication date Sep 17, 2015
- TDK Corporation
- Susumu AOKI
- G11 - INFORMATION STORAGE
Information Patent Application
THERMALLY ASSISTED RECORDING HEAD UTILIZING LASER LIGHT WITH LIMITE...
- Publication number 20140269233
- Publication date Sep 18, 2014
- Shinji HARA
- G11 - INFORMATION STORAGE
Information Patent Application
POLARIZATION CONVERTER INCLUDING A JAGGED DIAGONAL LINE IN PLANE OR...
- Publication number 20140254333
- Publication date Sep 11, 2014
- TDK Corporation
- Eiji KOMURA
- G02 - OPTICS
Information Patent Application
THERMALLY-ASSISTED MAGNETIC RECORDING HEAD HAVING TEMPERATURE SENSO...
- Publication number 20130258824
- Publication date Oct 3, 2013
- TDK Corporation
- Eiji KOMURA
- G11 - INFORMATION STORAGE
Information Patent Application
THERMALLY-ASSISTED MAGNETIC RECORDING HEAD, HEAD GIMBALS ASSEMBLY,...
- Publication number 20130250742
- Publication date Sep 26, 2013
- SAE MAGNETICS (H.K.) LTD.
- Eiji KOMURA
- G02 - OPTICS
Information Patent Application
THERMALLY ASSISTED MAGNETIC HEAD, MAGNETIC HEAD DEVICE AND MAGNETIC...
- Publication number 20130215725
- Publication date Aug 22, 2013
- TDK Corporation
- Kei HIRATA
- G11 - INFORMATION STORAGE
Information Patent Application
THERMALLY-ASSISTED MAGNETIC RECORDING HEAD, HEAD GIMBAL ASSEMBLY AN...
- Publication number 20130033972
- Publication date Feb 7, 2013
- TDK Corporation
- Shinji Hara
- G11 - INFORMATION STORAGE
Information Patent Application
THERMALLY-ASSISTED MAGNETIC RECORDING HEAD, HEAD GIMBAL ASSEMBLY AN...
- Publication number 20120275280
- Publication date Nov 1, 2012
- TDK Corporation
- Daisuke MIYAUCHI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETO-RESISTIVE EFFECT ELEMENT HAVING SPACER LAYER CONTAINING GAL...
- Publication number 20120237796
- Publication date Sep 20, 2012
- TDK Corporation
- Hayato Koike
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT-ASSISTED MAGNETIC WRITE HEAD, HEAD GIMBALS ASSEMBLY, HEAD ARM...
- Publication number 20120230168
- Publication date Sep 13, 2012
- TDK Corporation
- Takahiko IZAWA
- G02 - OPTICS
Information Patent Application
MAGNETO-RESISTIVE EFFECT ELEMENT HAVING SPACER LAYER INCLUDING MAIN...
- Publication number 20120212859
- Publication date Aug 23, 2012
- TDK Corporation
- Yoshihiro Tsuchiya
- G01 - MEASURING TESTING
Information Patent Application
MAGNETO-RESISTIVE EFFECT ELEMENT HAVING SPACER LAYER INCLUDING GALL...
- Publication number 20120212860
- Publication date Aug 23, 2012
- TDK Corporation
- Hayato Koike
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT-ASSISTED MAGNETIC WRITE HEAD, HEAD GIMBALS ASSEMBLY, HEAD ARM...
- Publication number 20120213041
- Publication date Aug 23, 2012
- TDK Corporation
- Kosuke TANAKA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETO-RESISTIVE EFFECT ELEMENT HAVING SPACER LAYER WITH THIN CENT...
- Publication number 20120214020
- Publication date Aug 23, 2012
- TDK Corporation
- Tsutomu CHOU
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETO-RESISTIVE EFFECT ELEMENT, MAGNETIC HEAD, MAGNETIC HEAD SLID...
- Publication number 20120196153
- Publication date Aug 2, 2012
- TDK Corporation
- Hironobu Matsuzawa
- G01 - MEASURING TESTING
Information Patent Application
THERMALLY-ASSISTED MAGNETIC HEAD
- Publication number 20120188859
- Publication date Jul 26, 2012
- TDK Corporation
- Shinji HARA
- G11 - INFORMATION STORAGE
Information Patent Application
LIGHT SOURCE UNIT INCLUDING A PHOTODETECTOR, AND THERMALLY-ASSISTED...
- Publication number 20120176874
- Publication date Jul 12, 2012
- TDK Corporation
- Eiji Komura
- G01 - MEASURING TESTING
Information Patent Application
MAGNETO-RESISTIVE EFFECT ELEMENT HAVING SPACER LAYER INCLUDING MAIN...
- Publication number 20120164484
- Publication date Jun 28, 2012
- TDK Corporation
- Tsutomu CHOU
- G11 - INFORMATION STORAGE
Information Patent Application
THERMALLY-ASSISTED MAGNETIC RECORDING HEAD
- Publication number 20120127838
- Publication date May 24, 2012
- TDK Corporation
- Eiji Komura
- G02 - OPTICS
Information Patent Application
METHOD FOR MANUFACTURING A THERMALLY-ASSISTED MAGNETIC HEAD
- Publication number 20120117791
- Publication date May 17, 2012
- TDK Corporation
- Shinji HARA
- G02 - OPTICS
Information Patent Application
THERMALLY-ASSISTED MAGNETIC RECORDING HEAD COMPRISING PLASMON GENER...
- Publication number 20120120780
- Publication date May 17, 2012
- TDK Corporation
- Eiji Komura
- G02 - OPTICS
Information Patent Application
Thermally-Assisted Head Including Surface-Plasmon Resonant Optical...
- Publication number 20120120781
- Publication date May 17, 2012
- TDK Corporation
- Eiji Komura
- G02 - OPTICS
Information Patent Application
METHOD OF MANUFACTURING THERMAL ASSISTED MAGNETIC WRITE HEAD
- Publication number 20120084969
- Publication date Apr 12, 2012
- SAE MAGNETICS (H. K) LTD.
- Kosuke TANAKA
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL WAVEGUIDE AND THERMALLY-ASSISTED MAGNETIC RECORDING HEAD TH...
- Publication number 20120082016
- Publication date Apr 5, 2012
- TDK Corporation
- Eiji Komura
- G02 - OPTICS
Information Patent Application
THERMALLY ASSISTED MAGNETIC RECORDING HEAD
- Publication number 20120075967
- Publication date Mar 29, 2012
- TDK Corporation
- Tsutomu Chou
- G02 - OPTICS
Information Patent Application
Thermally-Assisted Magnetic Recording Head Comprising Characteristi...
- Publication number 20120026846
- Publication date Feb 2, 2012
- TDK Corporation
- Eiji Komura
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING ELEMENT USED FOR THERMALLY-ASSISTED MAGNETIC REC...
- Publication number 20120014230
- Publication date Jan 19, 2012
- TDK Corporation
- Shinji HARA
- G02 - OPTICS
Information Patent Application
THERMALLY ASSISTED HEAD HAVING REFLECTION MIRROR FOR PROPAGATING LIGHT
- Publication number 20110310713
- Publication date Dec 22, 2011
- TDK Corporation
- Eiji Komura
- G11 - INFORMATION STORAGE

Tsutomu Chou

Person

Patents Grantslast 30 patents

Method for manufacturing thermally-assisted magnetic recording head...

Plasmon generator with separating layer for thermal assisted magnet...

Plasmon generator with metallic waveguide blocker for TAMR

Thermally assisted recording head utilizing laser light with limite...

Thermally-assisted magnetic recording head

Thermally assisted magnetic recording head with main magnetic pole...

Magnetoresistance effect element having layer containing Zn at the...

Thermally-assisted magnetic recording head, head gimbal assembly, a...

Polarization converter including a jagged diagonal line in plane or...

Method for manufacturing magnetoresistance effect element using sim...

Thermally-assisted magnetic recording head having gap layers betwee...

Thermally-assisted magnetic recording head having gap layers betwee...

Thermally-assisted magnetic recording head with optically isolating...

Magneto-resistive effect element having spacer layer including main...

Method of manufacturing thermal assisted magnetic write head

Thermally assisted magnetic head, magnetic head device and magnetic...

Magneto-resistive effect element having spacer layer including gall...

Thermally-assisted magnetic recording head having temperature senso...

Near field light generating element, thermally assisted magnetic he...

Magneto-resistive effect element having spacer layer containing gal...

Thin film magnetic head having a pair of magnetic layers whose magn...

Thermal-assisted magnetic recording head having dielectric waveguid...

Magneto-resistive effect element having spacer layer with thin cent...

Light source unit including a photodetector, and thermally-assisted...

Magneto-resistive effect element, magnetic head, magnetic head slid...

Thermally-assisted magnetic recording head, head gimbals assembly,...

Magneto-resistive effect element having spacer layer including main...

Thermally-assisted magnetic recording head, head gimbal assembly an...

Thermally-assisted magnetic recording head, head gimbal assembly an...

Magnetic recording element used for thermally-assisted magnetic rec...

Patents Applicationslast 30 patents

Plasmon Generator with Metallic Waveguide Blocker for TAMR and a Me...

PLASMON GENERATOR WITH SEPARATING LAYER FOR THERMAL ASSISTED MAGNET...

THERMALLY ASSISTED MAGNETIC RECORDING HEAD WITH MAIN MAGNETIC POLE...

THERMALLY ASSISTED RECORDING HEAD UTILIZING LASER LIGHT WITH LIMITE...

POLARIZATION CONVERTER INCLUDING A JAGGED DIAGONAL LINE IN PLANE OR...

THERMALLY-ASSISTED MAGNETIC RECORDING HEAD HAVING TEMPERATURE SENSO...

THERMALLY-ASSISTED MAGNETIC RECORDING HEAD, HEAD GIMBALS ASSEMBLY,...

THERMALLY ASSISTED MAGNETIC HEAD, MAGNETIC HEAD DEVICE AND MAGNETIC...

THERMALLY-ASSISTED MAGNETIC RECORDING HEAD, HEAD GIMBAL ASSEMBLY AN...

THERMALLY-ASSISTED MAGNETIC RECORDING HEAD, HEAD GIMBAL ASSEMBLY AN...

MAGNETO-RESISTIVE EFFECT ELEMENT HAVING SPACER LAYER CONTAINING GAL...

HEAT-ASSISTED MAGNETIC WRITE HEAD, HEAD GIMBALS ASSEMBLY, HEAD ARM...

MAGNETO-RESISTIVE EFFECT ELEMENT HAVING SPACER LAYER INCLUDING MAIN...

MAGNETO-RESISTIVE EFFECT ELEMENT HAVING SPACER LAYER INCLUDING GALL...

HEAT-ASSISTED MAGNETIC WRITE HEAD, HEAD GIMBALS ASSEMBLY, HEAD ARM...

MAGNETO-RESISTIVE EFFECT ELEMENT HAVING SPACER LAYER WITH THIN CENT...

MAGNETO-RESISTIVE EFFECT ELEMENT, MAGNETIC HEAD, MAGNETIC HEAD SLID...

THERMALLY-ASSISTED MAGNETIC HEAD

LIGHT SOURCE UNIT INCLUDING A PHOTODETECTOR, AND THERMALLY-ASSISTED...

MAGNETO-RESISTIVE EFFECT ELEMENT HAVING SPACER LAYER INCLUDING MAIN...

THERMALLY-ASSISTED MAGNETIC RECORDING HEAD

METHOD FOR MANUFACTURING A THERMALLY-ASSISTED MAGNETIC HEAD

THERMALLY-ASSISTED MAGNETIC RECORDING HEAD COMPRISING PLASMON GENER...

Thermally-Assisted Head Including Surface-Plasmon Resonant Optical...

METHOD OF MANUFACTURING THERMAL ASSISTED MAGNETIC WRITE HEAD

OPTICAL WAVEGUIDE AND THERMALLY-ASSISTED MAGNETIC RECORDING HEAD TH...

THERMALLY ASSISTED MAGNETIC RECORDING HEAD

Thermally-Assisted Magnetic Recording Head Comprising Characteristi...

MAGNETIC RECORDING ELEMENT USED FOR THERMALLY-ASSISTED MAGNETIC REC...

THERMALLY ASSISTED HEAD HAVING REFLECTION MIRROR FOR PROPAGATING LIGHT