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Koichi Otani
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic sensor device
Patent number
10,527,683
Issue date
Jan 7, 2020
TDK Corporation
Kunihiro Ueda
G01 - MEASURING TESTING
Information
Patent Grant
Manufacturing method for a magnetic head including a main pole and...
Patent number
9,824,700
Issue date
Nov 21, 2017
TDK Corporation
Hiroki Aritomo
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic head, thin film magnetic head device, and magnet...
Patent number
8,760,805
Issue date
Jun 24, 2014
TDK Corporation
Hisayoshi Watanabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for manufacturing thin-film magnetic head
Patent number
8,404,431
Issue date
Mar 26, 2013
TDK Corporation
Hitoshi Hatate
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of forming magnetic pole section of perpendicular magnetic r...
Patent number
8,323,517
Issue date
Dec 4, 2012
TDK Corporation
Hisayoshi Watanabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head including a pole layer and an antireflection film san...
Patent number
8,325,440
Issue date
Dec 4, 2012
TDK Corporation
Tatsuya Harada
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin-film magnetic head having a magnetic pole formed of a plating...
Patent number
8,248,728
Issue date
Aug 21, 2012
TDK Corporation
Atsushi Yamaguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of manufacturing magnetic head for perpendicular magnetic re...
Patent number
8,117,737
Issue date
Feb 21, 2012
TDK Corporation
Hisayoshi Watanabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Testing method of wafer with thin-film magnetic heads and manufactu...
Patent number
8,072,231
Issue date
Dec 6, 2011
TDK Corporation
Isamu Toba
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin-film magnetic head for perpendicular magnetic recording and me...
Patent number
8,000,064
Issue date
Aug 16, 2011
TDK Corporation
Hidetaka Kawano
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording and method of ma...
Patent number
7,995,308
Issue date
Aug 9, 2011
TDK Corporation
Koichi Otani
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording with a shield an...
Patent number
7,948,716
Issue date
May 24, 2011
Sae Magnetics (H.K.) Ltd.
Naoto Matono
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin-film magnetic head including two magnetic layers and flat spir...
Patent number
7,826,175
Issue date
Nov 2, 2010
TDK Corporation
Kenji Yokoyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic write head having a structure that suppresse...
Patent number
7,808,743
Issue date
Oct 5, 2010
TDK Corporation
Naoto Matono
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head for perpendicular magnetic recording and method of ma...
Patent number
7,796,359
Issue date
Sep 14, 2010
TDK Corporation
Koichi Otani
G11 - INFORMATION STORAGE
Information
Patent Grant
Thin film magnetic head in which thermal protrusion is suppressed a...
Patent number
7,787,215
Issue date
Aug 31, 2010
TDK Corporation
Shin Narushima
G11 - INFORMATION STORAGE
Information
Patent Grant
Strain gage pressure sensor wherein a gap is maintained between the...
Patent number
6,003,380
Issue date
Dec 21, 1999
Fujikoki Corporation
Keiji Sasaki
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
MAGNETIC SENSOR DEVICE
Publication number
20180275204
Publication date
Sep 27, 2018
TDK Corporation
Kunihiro Ueda
G01 - MEASURING TESTING
Information
Patent Application
MANUFACTURING METHOD FOR A MAGNETIC HEAD INCLUDING A MAIN POLE AND...
Publication number
20170337940
Publication date
Nov 23, 2017
TDK Corporation
Hiroki ARITOMO
G11 - INFORMATION STORAGE
Information
Patent Application
THIN FILM MAGNETIC HEAD, THIN FILM MAGNETIC HEAD DEVICE, MAGNETIC R...
Publication number
20130010390
Publication date
Jan 10, 2013
TDK Corporation
Hisayoshi WATANABE
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF FORMING MAGNETIC POLE SECTION OF PERPENDICULAR MAGNETIC R...
Publication number
20110240593
Publication date
Oct 6, 2011
TDK Corporation
Hisayoshi WATANABE
G11 - INFORMATION STORAGE
Information
Patent Application
THIN-FILM MAGNETIC HEAD HAVING A MAGNETIC POLE FORMED OF A PLATING...
Publication number
20110188151
Publication date
Aug 4, 2011
TDK Corporation
Atsushi YAMAGUCHI
G11 - INFORMATION STORAGE
Information
Patent Application
Method of manufacturing magnetic head for perpendicular magnetic re...
Publication number
20110127234
Publication date
Jun 2, 2011
TDK Corporation
Hisayoshi Watanabe
G11 - INFORMATION STORAGE
Information
Patent Application
TESTING METHOD OF WAFER WITH THIN-FILM MAGNETIC HEADS AND MANUFACTU...
Publication number
20100302662
Publication date
Dec 2, 2010
TDK Corporation
Isamu TOBA
G11 - INFORMATION STORAGE
Information
Patent Application
MANUFACTURING METHOD OF PERPENDICULAR MAGNETIC RECORDING HEAD
Publication number
20100084262
Publication date
Apr 8, 2010
TDK Corporation
Hiromichi Umehara
G11 - INFORMATION STORAGE
Information
Patent Application
Thin-film magnetic head for perpendicular magnetic recording and me...
Publication number
20090273863
Publication date
Nov 5, 2009
TDK Corporation
Hidetaka Kawano
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
Publication number
20090052094
Publication date
Feb 26, 2009
TDK Corporation
Koichi Otani
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head for perpendicular magnetic recording with a shield an...
Publication number
20080297953
Publication date
Dec 4, 2008
SAE MAGNETICS (H.K.) LTD.
Naoto Matono
G11 - INFORMATION STORAGE
Information
Patent Application
Thin-film magnetic head including two magnetic layers and flat spir...
Publication number
20080273273
Publication date
Nov 6, 2008
TDK Corporation
Kenji Yokoyama
G11 - INFORMATION STORAGE
Information
Patent Application
Thin film magnetic head, head gimbal assembly, head arm assembly, m...
Publication number
20080253032
Publication date
Oct 16, 2008
TDK Corporation
Shin Narushima
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic write head, method of manufacturing the same...
Publication number
20080253034
Publication date
Oct 16, 2008
TDK Corporation
Naoto Matono
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
Publication number
20080247087
Publication date
Oct 9, 2008
TDK Corporation
Koichi Otani
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
Publication number
20080239580
Publication date
Oct 2, 2008
TDK Corporation
Tatsuya Harada
G11 - INFORMATION STORAGE