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Liu Yanning
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Fremont, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Data storage device independently driving outer and inner fine actu...
Patent number
11,482,246
Issue date
Oct 25, 2022
Western Digital Technologies, Inc.
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device independently driving outer and inner fine actu...
Patent number
11,482,254
Issue date
Oct 25, 2022
Western Digital Technologies, Inc.
Manoj Keshavan
G11 - INFORMATION STORAGE
Information
Patent Grant
Shared disk configuration in a multiple actuator hard disk drive
Patent number
11,456,009
Issue date
Sep 27, 2022
Western Digital Technologies, Inc.
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Grant
Offset swage baseplate for stacked assembly
Patent number
11,232,811
Issue date
Jan 25, 2022
Western Digital Technologies, Inc.
Kia Moh Teo
G11 - INFORMATION STORAGE
Information
Patent Grant
Swage plate assembly with swage boss insert
Patent number
11,227,630
Issue date
Jan 18, 2022
Western Digital Technologies, Inc.
Kia Moh Teo
G11 - INFORMATION STORAGE
Information
Patent Grant
Angled and elongate lift tab for magnetic storage device
Patent number
10,950,263
Issue date
Mar 16, 2021
Western Digital Technologies, Inc.
Kia Moh Teo
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device controlling dual stage actuator with triple sta...
Patent number
10,381,030
Issue date
Aug 13, 2019
Western Digital Technologies, Inc.
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive head suspension tail with a noble metal layer disposed o...
Patent number
9,881,640
Issue date
Jan 30, 2018
Western Digital Technologies, Inc.
Yih-Jen Dennis Chen
G11 - INFORMATION STORAGE
Information
Patent Grant
Head gimbal assembly having a flexure tail with cover layer standof...
Patent number
9,564,156
Issue date
Feb 7, 2017
Western Digital Technologies, Inc.
Wing Chun Shum
G11 - INFORMATION STORAGE
Information
Patent Grant
Suspension assembly having a microactuator electrically connected t...
Patent number
9,472,218
Issue date
Oct 18, 2016
Western Digital Technologies, Inc.
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive head suspension tail with a noble metal layer disposed o...
Patent number
9,330,695
Issue date
May 3, 2016
Western Digital Technologies, Inc.
Yih-Jen Dennis Chen
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive head suspension tail with ground pad outside of bonding...
Patent number
9,324,344
Issue date
Apr 26, 2016
Western Digital Technologies, Inc.
Yih-Jen Dennis Chen
G11 - INFORMATION STORAGE
Information
Patent Grant
Suspension assembly having a microactuator grounded to a flexure
Patent number
9,230,580
Issue date
Jan 5, 2016
Western Digital Technologies, Inc.
Wing Chun Shum
G11 - INFORMATION STORAGE
Information
Patent Grant
Suspension assembly having a microactuator electrically connected t...
Patent number
9,099,131
Issue date
Aug 4, 2015
Western Digital Technologies, Inc.
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device detecting fly height instability of head during...
Patent number
9,076,473
Issue date
Jul 7, 2015
Western Digital Technologies, Inc.
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device adjusting range of microactuator digital-to-ana...
Patent number
8,913,342
Issue date
Dec 16, 2014
Western Digital Technologies, Inc.
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Grant
Suspension assembly having a microactuator grounded to a flexure
Patent number
8,908,332
Issue date
Dec 9, 2014
Western Digital Technologies, Inc.
Wing C. Shum
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive detecting crack in microactuator
Patent number
8,902,538
Issue date
Dec 2, 2014
Western Digital Technologies, Inc.
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive head suspension assembly with piezo element stress relie...
Patent number
8,797,689
Issue date
Aug 5, 2014
Western Digital Technologies, Inc.
Tzong-Shii Pan
G11 - INFORMATION STORAGE
Information
Patent Grant
Tethered gimbal on suspension for improved flyability
Patent number
8,792,213
Issue date
Jul 29, 2014
Western Digital Technologies, Inc.
Mukund Vijay
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive head suspension assembly with load beam inner rails betw...
Patent number
8,780,504
Issue date
Jul 15, 2014
Western Digital Technologies, Inc.
Kia Moh Teo
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive head suspension assembly having a DLC coating between di...
Patent number
8,760,814
Issue date
Jun 24, 2014
Western Digital Technologies, Inc.
Tzong-Shii Pan
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive head gimbal assembly having a jumper in a flexible print...
Patent number
8,760,812
Issue date
Jun 24, 2014
Western Digital Technologies, Inc.
Yih-Jen D. Chen
G11 - INFORMATION STORAGE
Information
Patent Grant
Head gimbal assemblies and methods for measuring slider parameters
Patent number
8,693,144
Issue date
Apr 8, 2014
Western Digital Technologies, Inc.
Tzong-Shii Pan
G11 - INFORMATION STORAGE
Information
Patent Grant
Suspension assembly having a microactuator grounded to a flexure
Patent number
8,665,567
Issue date
Mar 4, 2014
Western Digital Technologies, Inc.
Wing C. Shum
G11 - INFORMATION STORAGE
Information
Patent Grant
Methods, devices and systems for characterizing polarities of piezo...
Patent number
8,605,383
Issue date
Dec 10, 2013
Western Digital Technologies, Inc.
Xin Wang
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive performing lifetime logging of microactuator sensitivity
Patent number
8,605,384
Issue date
Dec 10, 2013
Western Digital Technologies, Inc.
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive detecting defective microactuator
Patent number
8,547,657
Issue date
Oct 1, 2013
Western Digital Technologies, Inc.
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Grant
Suspension assembly having a microactuator electrically connected t...
Patent number
8,542,465
Issue date
Sep 24, 2013
Western Digital Technologies, Inc.
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Grant
Test ramp for testing microactuators used in a multi-head disk drive
Patent number
8,499,652
Issue date
Aug 6, 2013
Western Digital Technologies, Inc.
Gregory Tran
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
USE OF COMMON HEAD SLIDER FOR DIFFERENT RPM HARD DISK DRIVES
Publication number
20240371403
Publication date
Nov 7, 2024
Western Digital Technologies, Inc.
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Application
DATA STORAGE DEVICE INDEPENDENTLY DRIVING OUTER AND INNER FINE ACTU...
Publication number
20220262402
Publication date
Aug 18, 2022
Western Digital Technologies, Inc.
MANOJ KESHAVAN
G11 - INFORMATION STORAGE
Information
Patent Application
DATA STORAGE DEVICE INDEPENDENTLY DRIVING OUTER AND INNER FINE ACTU...
Publication number
20220262396
Publication date
Aug 18, 2022
Western Digital Technologies, Inc.
YANNING LIU
G11 - INFORMATION STORAGE
Information
Patent Application
SWAGE PLATE ASSEMBLY WITH SWAGE BOSS INSERT
Publication number
20210295864
Publication date
Sep 23, 2021
Western Digital Technologies, Inc.
Kia Moh Teo
G11 - INFORMATION STORAGE
Information
Patent Application
OFFSET SWAGE BASEPLATE FOR STACKED ASSEMBLY
Publication number
20210264941
Publication date
Aug 26, 2021
Western Digital Technologies, Inc.
Kia Moh Teo
G11 - INFORMATION STORAGE
Information
Patent Application
SUSPENSION ASSEMBLY HAVING A MICROACTUATOR GROUNDED TO A FLEXURE
Publication number
20160329066
Publication date
Nov 10, 2016
WESTERN DIGITAL TECHNOLOGIES, INC.
WING CHUN SHUM
G11 - INFORMATION STORAGE
Information
Patent Application
DISK DRIVE HEAD SUSPENSION TAIL WITH GROUND PAD OUTSIDE OF BONDING...
Publication number
20160217814
Publication date
Jul 28, 2016
WESTERN DIGITAL TECHNOLOGIES, INC.
YIH-JEN DENNIS CHEN
G11 - INFORMATION STORAGE
Information
Patent Application
DISK DRIVE HEAD SUSPENSION TAIL WITH A NOBLE METAL LAYER DISPOSED O...
Publication number
20160210990
Publication date
Jul 21, 2016
WESTERN DIGITAL TECHNOLOGIES, INC.
YIH-JEN DENNIS CHEN
G01 - MEASURING TESTING
Information
Patent Application
SUSPENSION ASSEMBLY HAVING A MICROACTUATOR ELECTRICALLY CONNECTED T...
Publication number
20160133283
Publication date
May 12, 2016
WESTERN DIGITAL TECHNOLOGIES, INC.
YANNING LIU
G11 - INFORMATION STORAGE
Information
Patent Application
SUSPENSION ASSEMBLY HAVING A MICROACTUATOR GROUNDED TO A FLEXURE
Publication number
20140300997
Publication date
Oct 9, 2014
WING C. SHUM
G11 - INFORMATION STORAGE
Information
Patent Application
RADIAL POSITION SEEK TUNING FOR ACOUSTIC PERFORMANCE
Publication number
20120188664
Publication date
Jul 26, 2012
SEAGATE TECHNOLOGY LLC
Yu SUN
G11 - INFORMATION STORAGE
Information
Patent Application
SUSPENSION ASSEMBLY HAVING A MICROACTUATOR GROUNDED TO A FLEXURE
Publication number
20120002329
Publication date
Jan 5, 2012
WESTERN DIGITAL (FREMONT), LLC
Wing C. Shum
G11 - INFORMATION STORAGE
Information
Patent Application
SUSPENSION ASSEMBLY HAVING A MICROACTUATOR BONDED TO A FLEXURE
Publication number
20110317309
Publication date
Dec 29, 2011
WESTERN DIGITAL TECHNOLOGIES, INC.
WING C. SHUM
G11 - INFORMATION STORAGE
Information
Patent Application
SUSPENSION ASSEMBLY HAVING A MICROACTUATOR ELECTRICALLY CONNECTED T...
Publication number
20110228425
Publication date
Sep 22, 2011
WESTERN DIGITAL TECHNOLOGIES, INC.
YANNING LIU
G11 - INFORMATION STORAGE
Information
Patent Application
Circuits for vcm back emf measurement with a bias voltage to contro...
Publication number
20090195901
Publication date
Aug 6, 2009
Samsung Electronics Co., Ltd.
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Application
Flow balancer for track misregistration improvement
Publication number
20080278849
Publication date
Nov 13, 2008
Samsung Electronics Co., Ltd.
Haesung Kwon
G11 - INFORMATION STORAGE
Information
Patent Application
Temperature-adaptive open-loop control of active latch
Publication number
20080019053
Publication date
Jan 24, 2008
Seagate Technology LLC
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Application
REGULATING READ/WRITE TRANSDUCER MOVEMENT RESPONSIVE TO ACOUSTICS
Publication number
20070268618
Publication date
Nov 22, 2007
Seagate Technology LLC
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Application
Asymmetrical storage disk for a disk drive
Publication number
20070253110
Publication date
Nov 1, 2007
Erhard Schreck
G11 - INFORMATION STORAGE
Information
Patent Application
Radial position seek tuning for acoustic performance
Publication number
20070206317
Publication date
Sep 6, 2007
Maxtor Corporation
Yu Sun
G11 - INFORMATION STORAGE