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Yaw S. Tang
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Satatoga, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Disk drive biasing two write assist elements using three terminal c...
Patent number
11,615,804
Issue date
Mar 28, 2023
Western Digital Technologies, Inc.
Joey M. Poss
G11 - INFORMATION STORAGE
Information
Patent Grant
Measuring a load resistance coupled to a transmission line
Patent number
11,029,348
Issue date
Jun 8, 2021
Western Digital Technologies, Inc.
Sergey G. Muchiyev
G01 - MEASURING TESTING
Information
Patent Grant
Mitigation of laser power variation induced phase shift in heat ass...
Patent number
9,934,814
Issue date
Apr 3, 2018
Western Digital Technologies, Inc.
Yaw-Shing Tang
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for providing an additional ground pad and ele...
Patent number
8,045,295
Issue date
Oct 25, 2011
SAE Magnetics (H.K.) Ltd.
Yen Fu
B24 - GRINDING POLISHING
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
Magnetic head for perpendicular magnetic recording and method of ma...
Patent number
7,609,479
Issue date
Oct 27, 2009
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Method to form tapered magnetic shield for perpendicular recording...
Patent number
7,460,342
Issue date
Dec 2, 2008
Headway Technologies, Inc.
Lijie Guan
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for providing an additional ground pad and electrical con...
Patent number
7,391,594
Issue date
Jun 24, 2008
SAE Magnetics (H.K.) Ltd.
Yen Fu
B24 - GRINDING POLISHING
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
Method and apparatus for providing an additional ground pad and ele...
Patent number
7,064,928
Issue date
Jun 20, 2006
SAE Magnetics (H.K.) Ltd.
Yen Fu
B24 - GRINDING POLISHING
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 and apparatus for precompensation value determination in a P...
Patent number
5,357,520
Issue date
Oct 18, 1994
International Business Machines Corporation
Patrick C. Arnett
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for measuring and compensating nonlinear bitshift
Patent number
5,262,904
Issue date
Nov 16, 1993
International Business Machines Corporation
Yaw S. Tang
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
MEASURING A LOAD RESISTANCE COUPLED TO A TRANSMISSION LINE
Publication number
20200150166
Publication date
May 14, 2020
Western Digital Technologies, Inc.
Sergey G. Muchiyev
G11 - INFORMATION STORAGE
Information
Patent Application
MITIGATION OF LASER POWER VARIATION INDUCED PHASE SHIFT IN HEAT ASS...
Publication number
20170278538
Publication date
Sep 28, 2017
HGST NETHERLANDS B.V.
Yaw-Shing Tang
G11 - INFORMATION STORAGE
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
METHOD AND APPARATUS FOR PROVIDING AN ADDITIONAL GROUND PAD AND ELE...
Publication number
20080253025
Publication date
Oct 16, 2008
SAE Magnetics (H.K.) Ltd.
Yen FU
B24 - GRINDING POLISHING
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
Magnetic head for perpendicular magnetic recording and method of ma...
Publication number
20070211377
Publication date
Sep 13, 2007
HEADWAY TECHNOLOGIES, INC.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Method and apparatus for providing an additional ground pad and ele...
Publication number
20060227461
Publication date
Oct 12, 2006
Yen Fu
B24 - GRINDING POLISHING
Information
Patent Application
Method to form tapered magnetic shield for perpendicular recording...
Publication number
20060203395
Publication date
Sep 14, 2006
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
Information
Patent Application
Method and apparatus for grounding a magnetic recording head
Publication number
20040070880
Publication date
Apr 15, 2004
Yen Fu
B24 - GRINDING POLISHING