Liu Yanning

Person

Fremont, CA, US

People

Patents Grantslast 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 Applicationslast 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

Liu Yanning

Person

Patents Grantslast 30 patents

Data storage device independently driving outer and inner fine actu...

Data storage device independently driving outer and inner fine actu...

Shared disk configuration in a multiple actuator hard disk drive

Offset swage baseplate for stacked assembly

Swage plate assembly with swage boss insert

Angled and elongate lift tab for magnetic storage device

Data storage device controlling dual stage actuator with triple sta...

Disk drive head suspension tail with a noble metal layer disposed o...

Head gimbal assembly having a flexure tail with cover layer standof...

Suspension assembly having a microactuator electrically connected t...

Disk drive head suspension tail with a noble metal layer disposed o...

Disk drive head suspension tail with ground pad outside of bonding...

Suspension assembly having a microactuator grounded to a flexure

Suspension assembly having a microactuator electrically connected t...

Data storage device detecting fly height instability of head during...

Data storage device adjusting range of microactuator digital-to-ana...

Suspension assembly having a microactuator grounded to a flexure

Disk drive detecting crack in microactuator

Disk drive head suspension assembly with piezo element stress relie...

Tethered gimbal on suspension for improved flyability

Disk drive head suspension assembly with load beam inner rails betw...

Disk drive head suspension assembly having a DLC coating between di...

Disk drive head gimbal assembly having a jumper in a flexible print...

Head gimbal assemblies and methods for measuring slider parameters

Suspension assembly having a microactuator grounded to a flexure

Methods, devices and systems for characterizing polarities of piezo...

Disk drive performing lifetime logging of microactuator sensitivity

Disk drive detecting defective microactuator

Suspension assembly having a microactuator electrically connected t...

Test ramp for testing microactuators used in a multi-head disk drive

Patents Applicationslast 30 patents

USE OF COMMON HEAD SLIDER FOR DIFFERENT RPM HARD DISK DRIVES

DATA STORAGE DEVICE INDEPENDENTLY DRIVING OUTER AND INNER FINE ACTU...

DATA STORAGE DEVICE INDEPENDENTLY DRIVING OUTER AND INNER FINE ACTU...

SWAGE PLATE ASSEMBLY WITH SWAGE BOSS INSERT

OFFSET SWAGE BASEPLATE FOR STACKED ASSEMBLY

SUSPENSION ASSEMBLY HAVING A MICROACTUATOR GROUNDED TO A FLEXURE

DISK DRIVE HEAD SUSPENSION TAIL WITH GROUND PAD OUTSIDE OF BONDING...

DISK DRIVE HEAD SUSPENSION TAIL WITH A NOBLE METAL LAYER DISPOSED O...

SUSPENSION ASSEMBLY HAVING A MICROACTUATOR ELECTRICALLY CONNECTED T...

SUSPENSION ASSEMBLY HAVING A MICROACTUATOR GROUNDED TO A FLEXURE

RADIAL POSITION SEEK TUNING FOR ACOUSTIC PERFORMANCE

SUSPENSION ASSEMBLY HAVING A MICROACTUATOR GROUNDED TO A FLEXURE

SUSPENSION ASSEMBLY HAVING A MICROACTUATOR BONDED TO A FLEXURE

SUSPENSION ASSEMBLY HAVING A MICROACTUATOR ELECTRICALLY CONNECTED T...

Circuits for vcm back emf measurement with a bias voltage to contro...

Flow balancer for track misregistration improvement

Temperature-adaptive open-loop control of active latch

REGULATING READ/WRITE TRANSDUCER MOVEMENT RESPONSIVE TO ACOUSTICS

Asymmetrical storage disk for a disk drive

Radial position seek tuning for acoustic performance