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HONGPING YUAN
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Fremont, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and system for exposing photoresist in a microelectric device
Patent number
9,274,438
Issue date
Mar 1, 2016
Western Digital (Fremont), LLC
Hongping Yuan
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Double patterning hard mask for damascene perpendicular magnetic re...
Patent number
9,202,480
Issue date
Dec 1, 2015
Western Digital (Fremont), LLC
Xiaohai Xiang
G11 - INFORMATION STORAGE
Information
Patent Grant
Systems and methods for using double mask techniques to achieve ver...
Patent number
9,007,719
Issue date
Apr 14, 2015
Western Digital (Fremont), LLC
Hongping Yuan
G11 - INFORMATION STORAGE
Information
Patent Grant
Method to eliminate reactive ion etching (RIE) loading effects for...
Patent number
8,649,123
Issue date
Feb 11, 2014
Western Digital (Fremont), LLC
Jinqiu Zhang
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for providing a magnetic recording pole having a...
Patent number
8,563,146
Issue date
Oct 22, 2013
Western Digital (Fremont), LLC
Jinqiu Zhang
G11 - INFORMATION STORAGE
Information
Patent Grant
Resist pattern protection technique for double patterning application
Patent number
8,394,280
Issue date
Mar 12, 2013
Western Digital (Fremont), LLC
Dujiang Wan
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for lifting off photoresist beneath an overlayer
Patent number
8,357,244
Issue date
Jan 22, 2013
Western Digital (Fremont), LLC
Lijie Zhao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and system for providing a perpendicular magnetic recording...
Patent number
8,334,093
Issue date
Dec 18, 2012
Western Digital (Fremont), LLC
Jinqiu Zhang
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording head
Patent number
8,310,785
Issue date
Nov 13, 2012
Western Digital (Fremont), LLC
Jinqiu Zhang
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording head
Patent number
8,284,517
Issue date
Oct 9, 2012
Western Digital (Fremont), LLC
Hai Sun
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for exposing a photoresist in a magnetic device
Patent number
8,169,473
Issue date
May 1, 2012
Western Digital (Fremont), LLC
Winnie Yu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for lifting off photoresist beneath an overlayer
Patent number
8,163,185
Issue date
Apr 24, 2012
Western Digital (Fremont), LLC
Hai Sun
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for providing a perpendicular magnetic recording...
Patent number
8,136,225
Issue date
Mar 20, 2012
Western Digital (Fremont), LLC
Jinqiu Zhang
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for providing a perpendicular magnetic recording...
Patent number
8,136,224
Issue date
Mar 20, 2012
Western Digital (Fremont), LLC
Hai Sun
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic element having a smaller critical dimension of the free layer
Patent number
8,081,403
Issue date
Dec 20, 2011
Western Digital (Fremont), LLC
Benjamin Chen
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method and system for providing a magnetic writer using a BARC
Patent number
8,072,705
Issue date
Dec 6, 2011
Western Digital (Fremont), LLC
Yizhong Wang
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for providing optical proximity correction for st...
Patent number
7,910,267
Issue date
Mar 22, 2011
Western Digital (Fremont), LLC
Xianzhong Zeng
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and system for providing a structure in a microelectronic de...
Patent number
7,846,643
Issue date
Dec 7, 2010
Western Digital (Fremont), LLC
Hai Sun
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method and system for providing a microelectronic device using a pl...
Patent number
7,829,264
Issue date
Nov 9, 2010
Western Digital (Fremont), LLC
Yizhong Wang
G11 - INFORMATION STORAGE
Information
Patent Grant
Methods for fabricating a magnetic recording device
Patent number
7,785,666
Issue date
Aug 31, 2010
Western Digital (Fremont), LLC
Hai Sun
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for providing optical proximity correction for st...
Patent number
7,736,823
Issue date
Jun 15, 2010
Western Digital (Fremont), LLC
Yizhong Wang
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of fabricating a perpendicular recording write head having a...
Patent number
7,726,009
Issue date
Jun 1, 2010
Western Digital (Fremont), LLC
Yinshi Liu
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for providing a smaller critical dimension magnet...
Patent number
7,419,891
Issue date
Sep 2, 2008
Western Digital (Fremont), LLC
Benjamin Chen
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of fabricating a perpendicular recording write head having a...
Patent number
7,248,431
Issue date
Jul 24, 2007
Yinshi Liu
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Dual Free Layer TMR Reader With Shaped Rear Bias and Methods of For...
Publication number
20240071413
Publication date
Feb 29, 2024
Western Digital Technologies, Inc.
Ming MAO
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD FOR EXPOSING PHOTORESIST IN A MICROELECTRIC DEVICE
Publication number
20160154310
Publication date
Jun 2, 2016
WESTERN DIGITAL (FREMONT), LLC
HONGPING YUAN
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD AND SYSTEM FOR PROVIDING A SIDE SHIELD FOR A PERPENDICULAR M...
Publication number
20120237878
Publication date
Sep 20, 2012
WESTERN DIGITAL (FREMONT), LLC
XIANZHONG ZENG
G11 - INFORMATION STORAGE
Information
Patent Application
DOUBLE PATTERNING HARD MASK FOR DAMASCENE PERPENDICULAR MAGNETIC RE...
Publication number
20110086240
Publication date
Apr 14, 2011
WESTERN DIGITAL (FREMONT), LLC
Xiaohai XIANG
G11 - INFORMATION STORAGE
Information
Patent Application
Damascene coil processes and structures
Publication number
20100290157
Publication date
Nov 18, 2010
WESTERN DIGITAL (FREMONT), LLC
Jinqiu Zhang
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
METHOD AND SYSTEM FOR PROVIDING A PERPENDICULAR MAGNETIC RECORDING...
Publication number
20100112486
Publication date
May 6, 2010
WESTERN DIGITAL (FREMONT), LLC
JINQIU ZHANG
G11 - INFORMATION STORAGE