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Hung Liang Hu
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Sunnyvale, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Process to manufacture a magnetic write head
Patent number
7,934,310
Issue date
May 3, 2011
Headway Technologies, Inc.
Lijie Guan
G11 - INFORMATION STORAGE
Information
Patent Grant
Four sided shield structure for a perpendicular write head
Patent number
7,898,766
Issue date
Mar 1, 2011
Headway Technologies, Inc.
Lijie Guan
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular write head with tapered main pole
Patent number
7,777,988
Issue date
Aug 17, 2010
Headway Technologies, Inc.
Lijie Guan
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular write head with tapered main pole
Patent number
7,777,987
Issue date
Aug 17, 2010
Headway Technologies, Inc.
Lijie Guan
G11 - INFORMATION STORAGE
Information
Patent Grant
Process of manufacturing a four-sided shield structure for a perpen...
Patent number
7,322,095
Issue date
Jan 29, 2008
Headway Technologies, Inc.
Lijie Guan
G11 - INFORMATION STORAGE
Information
Patent Grant
Return pole field reduction for perpendicular write head
Patent number
7,289,295
Issue date
Oct 30, 2007
Headway Technologies, Inc.
Lijie Guan
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic writer with magnetic potential control shield
Patent number
7,106,554
Issue date
Sep 12, 2006
Headway Technologies, Inc.
Lijie Guan
G11 - INFORMATION STORAGE
Information
Patent Grant
Fully shielded perpendicular recoding writer
Patent number
7,042,682
Issue date
May 9, 2006
Headway Technologies, Inc.
Hung Liang Hu
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of making read/write magnetoresistive (MR) head with sunken...
Patent number
6,156,375
Issue date
Dec 5, 2000
International Business Machines Corporation
Hung-Liang Hu
G11 - INFORMATION STORAGE
Information
Patent Grant
Combined magnetoresistive (MR) read and inductive write head with s...
Patent number
6,025,977
Issue date
Feb 15, 2000
International Business Machines Corporation
Hung-Liang Hu
G11 - INFORMATION STORAGE
Information
Patent Grant
Rotary actuator disk drive with identical dual-element read/write t...
Patent number
5,444,589
Issue date
Aug 22, 1995
International Business Machines Corporation
Hung L. Hu
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for in-situ measurement of head/recording medi...
Patent number
4,777,544
Issue date
Oct 11, 1988
International Business Machine Corporation
Byron R. Brown
G11 - INFORMATION STORAGE
Information
Patent Grant
Dovetail propagation structure for contiguous disk bubble devices
Patent number
4,346,457
Issue date
Aug 24, 1982
International Business Machines Corporation
Hung L. Hu
G11 - INFORMATION STORAGE
Information
Patent Grant
Asymmetric sawtooth contiguous disk propagation pattern
Patent number
4,342,098
Issue date
Jul 27, 1982
International Business Machines Corporation
Hung L. Hu
G11 - INFORMATION STORAGE
Information
Patent Grant
Device for biasing bubble domains
Patent number
4,062,002
Issue date
Dec 6, 1977
International Business Machines Corporation
David Malcolm Hannon
G11 - INFORMATION STORAGE
Information
Patent Grant
Bubble lattice device
Patent number
4,040,020
Issue date
Aug 2, 1977
International Business Machines Corporation
David Malcolm Hannon
G11 - INFORMATION STORAGE
Information
Patent Grant
Transfer of domains between fields
Patent number
4,015,249
Issue date
Mar 29, 1977
International Business Machines Corporation
Hung Liang Hu
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Perpendicular write head with tapered main pole
Publication number
20090207525
Publication date
Aug 20, 2009
HEADWAY TECHNOLOGIES, INC.
LIJIE GUAN
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular write head with tapered main pole
Publication number
20090202728
Publication date
Aug 13, 2009
HEADWAY TECHNOLOGIES, INC.
LIJIE GUAN
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular write head with tapered main pole
Publication number
20090201611
Publication date
Aug 13, 2009
Lijie Guan
G11 - INFORMATION STORAGE
Information
Patent Application
Four sided shield structure for a perpendicular write head
Publication number
20080112082
Publication date
May 15, 2008
HEADWAY TECHNOLOGIES, INC.
Lijie Guan
G11 - INFORMATION STORAGE
Information
Patent Application
Return pole field reduction for perpendicular write head
Publication number
20050254169
Publication date
Nov 17, 2005
HEADWAY TECHNOLOGIES, INC.
Lijie Guan
G11 - INFORMATION STORAGE
Information
Patent Application
Four sided shield structure for a perpendicular write head
Publication number
20050237665
Publication date
Oct 27, 2005
Dialog Semiconductor GmbH
Lijie Guan
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular write head with tapered main pole
Publication number
20050219743
Publication date
Oct 6, 2005
HEADWAY TECHNOLOGIES, INC.
Lijie Guan
G11 - INFORMATION STORAGE
Information
Patent Application
Fully shielded perpendicular recording writer
Publication number
20050083605
Publication date
Apr 21, 2005
HEADWAY TECHNOLOGIES, INC.
Hung Liang Hu
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic writer with magnetic potential control shield
Publication number
20040201918
Publication date
Oct 14, 2004
HEADWAY TECHNOLOGIES, INC.
Lijie Guan
G11 - INFORMATION STORAGE