Wei Guo

Person

Fremont, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Disk drive detecting mini wedge by evaluating wedge ID of servo sector
- Patent number 9,153,263
- Issue date Oct 6, 2015
- Western Digital Technologies, Inc.
- Michael Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive using timing loop control signal for vibration compensat...
- Patent number 9,142,249
- Issue date Sep 22, 2015
- Western Digital Technologies, Inc.
- Jianguo Zhou
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device employing full servo sectors on first disk surf...
- Patent number 9,129,630
- Issue date Sep 8, 2015
- Western Digital Technologies, Inc.
- Wei Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device detecting free fall condition from disk speed v...
- Patent number 9,058,826
- Issue date Jun 16, 2015
- Western Digital Technologies, Inc.
- Wei Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device reading servo sector while writing data sector
- Patent number 9,053,712
- Issue date Jun 9, 2015
- Western Digital Technologies, Inc.
- Guoxiao Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive compensating for cycle slip of disk locked clock when re...
- Patent number 9,025,269
- Issue date May 5, 2015
- Western Digital Technologies, Inc.
- Richard K. Wong
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive evaluating burst metric
- Patent number 8,970,980
- Issue date Mar 3, 2015
- Western Digital Technologies, Inc.
- Abhishek Dhanda
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device servoing heads based on virtual servo tracks
- Patent number 8,941,945
- Issue date Jan 27, 2015
- Western Digital Technologies, Inc.
- Michael Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive generating a disk locked clock using radial dependent ti...
- Patent number 8,934,191
- Issue date Jan 13, 2015
- Western Digital Technologies, Inc.
- Jiangang Liang
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device estimating servo zone to reduce size of track a...
- Patent number 8,934,186
- Issue date Jan 13, 2015
- Western Digital Technologies, Inc.
- Wei Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive servo writing from spiral tracks using radial dependent...
- Patent number 8,929,021
- Issue date Jan 6, 2015
- Western Digital Technologies, Inc.
- Jiangang Liang
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive adjusting servo timing to compensate for transient when...
- Patent number 8,780,477
- Issue date Jul 15, 2014
- Western Digital Technologies, Inc.
- Wei Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive employing overlapping servo zones to facilitate servo zo...
- Patent number 8,724,245
- Issue date May 13, 2014
- Western Digital Technologies, Inc.
- Steven C. Smith
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive load arm structure having a strain sensor and method of...
- Patent number 7,813,083
- Issue date Oct 12, 2010
- Maxtor Corporation
- Wei Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Slider that dynamically adjusts the head-to-disk spacing in a disk...
- Patent number 7,773,346
- Issue date Aug 10, 2010
- Seagate Technology LLC
- Wei Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Slider that dynamically adjusts the head-to-disk spacing in a disk...
- Patent number 7,724,480
- Issue date May 25, 2010
- Seagate Technology LLC
- Wei Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive microactuator frame with epoxy overflow reservoir
- Patent number 7,612,968
- Issue date Nov 3, 2009
- Maxtor Corporation
- Wei Guo
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Microactuator reference input limit to prevent internal states over...
- Patent number 7,595,956
- Issue date Sep 29, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Wei Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Piezoelectric actuator and sensor for disk drive dual-stage servo s...
- Patent number 7,375,911
- Issue date May 20, 2008
- Maxtor Corporation
- Yunfeng Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Mobile hard disk drive free fall detection and protection
- Patent number 7,369,345
- Issue date May 6, 2008
- Maxtor Corporation
- Yunfeng Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Zero-g offset identification of an accelerometer employed in a hard...
- Patent number 7,350,394
- Issue date Apr 1, 2008
- Maxtor Corporation
- William Flynn
- G11 - INFORMATION STORAGE
Information Patent Grant
Displacement resetting systems and methods for the second stage of...
- Patent number 7,035,041
- Issue date Apr 25, 2006
- Maxtor Corporation
- Lin Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Design scheme to increase the gain of strain based sensors in hard...
- Patent number 6,977,790
- Issue date Dec 20, 2005
- Maxtor Corporation
- Yih-Jen D. Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Micro actuator DC gain calibration scheme for HDD dual-stage actuat...
- Patent number 6,975,477
- Issue date Dec 13, 2005
- Maxtor Corporation
- Xiaoping Hu
- G11 - INFORMATION STORAGE
Information Patent Grant
Driver systems and methods for an actuator of a hard disk drive
- Patent number 6,975,481
- Issue date Dec 13, 2005
- Maxtor Corporation
- Richard Oswald
- G11 - INFORMATION STORAGE
Information Patent Grant
Vibration-damped push-pin assembly for disk drive servo writing
- Patent number 6,867,949
- Issue date Mar 15, 2005
- Maxtor Corporation
- Lin Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Peizoelectric microactuator and sensor failure detection in disk dr...
- Patent number 6,861,854
- Issue date Mar 1, 2005
- Maxtor Corporation
- Wei Guo
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Microactuator reference input limit to prevent internal states over...
- Publication number 20090168232
- Publication date Jul 2, 2009
- Wei Guo
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive load arm structure having a strain sensor and method of...
- Publication number 20070178746
- Publication date Aug 2, 2007
- Seagate Technology LLC
- Wei Guo
- G11 - INFORMATION STORAGE
Information Patent Application
Peizoelectric microactuator and sensor failure detection in disk dr...
- Publication number 20030076121
- Publication date Apr 24, 2003
- Wei Guo
- G01 - MEASURING TESTING

Person

Patents Grantslast 30 patents

Disk drive detecting mini wedge by evaluating wedge ID of servo sector

Disk drive using timing loop control signal for vibration compensat...

Data storage device employing full servo sectors on first disk surf...

Data storage device detecting free fall condition from disk speed v...

Data storage device reading servo sector while writing data sector

Disk drive compensating for cycle slip of disk locked clock when re...

Disk drive evaluating burst metric

Data storage device servoing heads based on virtual servo tracks

Disk drive generating a disk locked clock using radial dependent ti...

Data storage device estimating servo zone to reduce size of track a...

Disk drive servo writing from spiral tracks using radial dependent...

Disk drive adjusting servo timing to compensate for transient when...

Disk drive employing overlapping servo zones to facilitate servo zo...

Disk drive load arm structure having a strain sensor and method of...

Slider that dynamically adjusts the head-to-disk spacing in a disk...

Slider that dynamically adjusts the head-to-disk spacing in a disk...

Disk drive microactuator frame with epoxy overflow reservoir

Microactuator reference input limit to prevent internal states over...

Piezoelectric actuator and sensor for disk drive dual-stage servo s...

Mobile hard disk drive free fall detection and protection

Zero-g offset identification of an accelerometer employed in a hard...

Displacement resetting systems and methods for the second stage of...

Design scheme to increase the gain of strain based sensors in hard...

Micro actuator DC gain calibration scheme for HDD dual-stage actuat...

Driver systems and methods for an actuator of a hard disk drive

Vibration-damped push-pin assembly for disk drive servo writing

Peizoelectric microactuator and sensor failure detection in disk dr...

Patents Applicationslast 30 patents

Microactuator reference input limit to prevent internal states over...

Disk drive load arm structure having a strain sensor and method of...

Peizoelectric microactuator and sensor failure detection in disk dr...