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Yasuhiro Hasegawa
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Chuo-ku, JP
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Patents Grants
last 30 patents
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Patent Grant
Thin film magnetic head and magnetic disk device and electronic com...
Patent number
8,174,793
Issue date
May 8, 2012
TDK Corporation
Yasuhiro Hasegawa
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
Method for forming a pattern film with a narrower width
Patent number
7,866,029
Issue date
Jan 11, 2011
TDK Corporation
Hirotaka Gomi
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
THIN FILM MAGNETIC HEAD AND MAGNETIC DISK DEVICE
Publication number
20110310512
Publication date
Dec 22, 2011
TDK Corporation
Yasuhiro HASEGAWA
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
Forming method of pattern film with narrower width and thin-film ma...
Publication number
20070223141
Publication date
Sep 27, 2007
TDK Corporation
Hirotaka Gomi
G11 - INFORMATION STORAGE