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Tatsuya SHIMIZU
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Hong Kong, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic head for perpendicular magnetic recording including a heater
Patent number
9,324,341
Issue date
Apr 26, 2016
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head including two contact sensors
Patent number
9,171,556
Issue date
Oct 27, 2015
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording including a main...
Patent number
9,082,422
Issue date
Jul 14, 2015
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head including a first and second insulating film between...
Patent number
9,076,465
Issue date
Jul 7, 2015
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording including a main...
Patent number
9,030,776
Issue date
May 12, 2015
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing a thermally-assisted magnetic recording hea...
Patent number
8,984,739
Issue date
Mar 24, 2015
TDK Corporation
Koji Shimazawa
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Thin-film magnetic head, method of manufacturing the same, head gim...
Patent number
8,988,823
Issue date
Mar 24, 2015
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording having a main po...
Patent number
8,867,169
Issue date
Oct 21, 2014
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording including a heater
Patent number
8,837,089
Issue date
Sep 16, 2014
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording including a heater
Patent number
8,837,083
Issue date
Sep 16, 2014
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording having two coils
Patent number
8,810,963
Issue date
Aug 19, 2014
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular recording having a plurality of mag...
Patent number
8,792,209
Issue date
Jul 29, 2014
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording having a return...
Patent number
8,792,207
Issue date
Jul 29, 2014
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording having a return...
Patent number
8,780,497
Issue date
Jul 15, 2014
Headway Technologies Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording having two side...
Patent number
8,767,347
Issue date
Jul 1, 2014
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing magnetic head for perpendicular magnetic re...
Patent number
8,701,273
Issue date
Apr 22, 2014
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording capable of produ...
Patent number
8,593,762
Issue date
Nov 26, 2013
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording having a bottom...
Patent number
8,587,899
Issue date
Nov 19, 2013
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording having a main po...
Patent number
8,503,130
Issue date
Aug 6, 2013
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing magnetic head slider
Patent number
8,495,812
Issue date
Jul 30, 2013
Sae Magnetics (H.K.) Ltd.
Ryuji Fujii
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording having a main po...
Patent number
8,498,077
Issue date
Jul 30, 2013
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording having a return...
Patent number
8,482,879
Issue date
Jul 9, 2013
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording and method of ma...
Patent number
8,467,147
Issue date
Jun 18, 2013
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording
Patent number
8,427,782
Issue date
Apr 23, 2013
Headway Technology, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording having a main po...
Patent number
8,427,781
Issue date
Apr 23, 2013
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording having a main po...
Patent number
8,422,166
Issue date
Apr 16, 2013
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording having a return...
Patent number
8,416,528
Issue date
Apr 9, 2013
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Thermally assisted magnetic recording head
Patent number
8,395,974
Issue date
Mar 12, 2013
TDK Corporation
Koji Shimazawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording including a coil...
Patent number
8,385,019
Issue date
Feb 26, 2013
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording having a return...
Patent number
8,345,381
Issue date
Jan 1, 2013
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
MAGNETIC HEAD INCLUDING TWO CONTACT SENSORS
Publication number
20150235659
Publication date
Aug 20, 2015
SAE MAGNETICS (H. K) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING INCLUDING A MAIN...
Publication number
20150170679
Publication date
Jun 18, 2015
SAE MAGNETICS (H. K) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD INCLUDING A FIRST AND SECOND INSULATING FILM BETWEEN...
Publication number
20150170682
Publication date
Jun 18, 2015
SAE MAGNETICS (H.K.) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING INCLUDING A HEATER
Publication number
20150138671
Publication date
May 21, 2015
SAE MAGNETICS (H. K) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
THIN-FILM MAGNETIC HEAD, METHOD OF MANUFACTURING THE SAME, HEAD GIM...
Publication number
20150098154
Publication date
Apr 9, 2015
SAE MAGNETICS (H. K) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR RECORDING HAVING A PLURALITY OF MAG...
Publication number
20140177099
Publication date
Jun 26, 2014
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING HAVING A RETURN...
Publication number
20130329319
Publication date
Dec 12, 2013
HEADWAY TECHNOLOGIES, INC.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING HAVING A MAIN PO...
Publication number
20130308227
Publication date
Nov 21, 2013
HEADWAY TECHNOLOGIES, INC.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF MANUFACTURING MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RE...
Publication number
20130283601
Publication date
Oct 31, 2013
SAE MAGNETICS (H.K.) LTD.
Yoshitaka SASAKI
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF MANUFACTURING A THERMALLY-ASSISTED MAGNETIC RECORDING HEA...
Publication number
20130091695
Publication date
Apr 18, 2013
SAE MAGNETICS (H. K) LTD.
Koji SHIMAZAWA
B82 - NANO-TECHNOLOGY
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING
Publication number
20120229932
Publication date
Sep 13, 2012
SAE MAGNETICS (H.K.) LTD.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING
Publication number
20110170216
Publication date
Jul 14, 2011
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Method of manufacturing magnetic head slider
Publication number
20090154020
Publication date
Jun 18, 2009
SAE MAGNETICS (H. K) LTD.
Ryuji Fujii
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
Publication number
20080088972
Publication date
Apr 17, 2008
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head for perpendicular magnetic recording
Publication number
20080088971
Publication date
Apr 17, 2008
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
Publication number
20080068747
Publication date
Mar 20, 2008
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
Publication number
20080024911
Publication date
Jan 31, 2008
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
Publication number
20080013209
Publication date
Jan 17, 2008
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE