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Wenchein Hsiao
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San Jose, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic head having a notched pole piece structure
Patent number
7,489,474
Issue date
Feb 10, 2009
International Business Machines Corporation
Wen-Chein David Hsiao
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head having a notched pole piece structure and method of m...
Patent number
7,391,591
Issue date
Jun 24, 2008
International Business Machines Corporation
Wen-Chein David Hsiao
G11 - INFORMATION STORAGE
Information
Patent Grant
Process for protecting a magnetic head
Patent number
7,181,826
Issue date
Feb 27, 2007
Hitachi Global Storage Technologies Netherlands B.V.
Wenchein Hsiao
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat sink for a magnetic recording head
Patent number
7,170,713
Issue date
Jan 30, 2007
Hitachi Global Storage Technologies Netherlands B.V.
Savas Gider
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head having a notched pole piece structure and method of m...
Patent number
6,947,255
Issue date
Sep 20, 2005
International Business Machines Corporation
Wen-Chein David Hsiao
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head coil and structure for protecting same during pole no...
Patent number
6,906,893
Issue date
Jun 14, 2005
Hitachi Global Storage Technologies
Wenchein Hsiao
G11 - INFORMATION STORAGE
Information
Patent Grant
First pole piece with frequency dependent variable effective throat...
Patent number
6,785,098
Issue date
Aug 31, 2004
International Business Machines Corporation
Wenchein Hsiao
G11 - INFORMATION STORAGE
Information
Patent Grant
Enhanced low profile magnet write head
Patent number
6,687,083
Issue date
Feb 3, 2004
Hitachi Global Storage Technologies Netherlands B.V.
Wenchein Hsiao
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Magnetic head having a notched pole piece structure and method of m...
Publication number
20050270695
Publication date
Dec 8, 2005
Wen-Chein David Hsiao
G11 - INFORMATION STORAGE
Information
Patent Application
Apparatus and method for protecting a magnetic head coil during pol...
Publication number
20040237288
Publication date
Dec 2, 2004
Wenchein Hsiao
G11 - INFORMATION STORAGE
Information
Patent Application
Apparatus and method for protecting a magnetic head coil during pol...
Publication number
20040066577
Publication date
Apr 8, 2004
International Business Machines.
Wenchein Hsiao
G11 - INFORMATION STORAGE
Information
Patent Application
Heat sink for a magnetic recording head
Publication number
20040027719
Publication date
Feb 12, 2004
Savas Gider
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head having a notched pole piece structure and method of m...
Publication number
20030179498
Publication date
Sep 25, 2003
Wen-Chein David Hsiao
G11 - INFORMATION STORAGE
Information
Patent Application
First pole piece with frequency dependent variable effective throat...
Publication number
20030067721
Publication date
Apr 10, 2003
Wenchein Hsiao
G11 - INFORMATION STORAGE
Information
Patent Application
Enhanced low profile magnet write head
Publication number
20030039067
Publication date
Feb 27, 2003
International Business Machines Corporation
Wenchein Hsiao
G11 - INFORMATION STORAGE