KianKeong Ooi

Person

Singapore, SG

People

Patents Grantslast 30 patents

Information Patent Grant
Closed-loop fly height control using transfer function between harm...
- Patent number 10,204,650
- Issue date Feb 12, 2019
- Seagate Technology LLC
- Xiong Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Closed-loop fly height control using sector-specific, repeatable VG...
- Patent number 10,049,692
- Issue date Aug 14, 2018
- Seagate Technology LLC
- Xiong Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
HDD write buffer zone for vibration condition
- Patent number 9,304,930
- Issue date Apr 5, 2016
- Seagate Technology LLC
- JiaHong Shu
- G11 - INFORMATION STORAGE
Information Patent Grant
AC MR-offset compensation
- Patent number 9,117,471
- Issue date Aug 25, 2015
- Seagate Technology LLC
- Xiong Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Dynamic configuration of seek recovery in a disk drive
- Patent number 9,111,560
- Issue date Aug 18, 2015
- Seagate Technology LLC
- GuoQing Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Shock absorber capable of damping vibration
- Patent number 8,702,073
- Issue date Apr 22, 2014
- Seagate Technology LLC
- JuiJing Lim
- G11 - INFORMATION STORAGE
Information Patent Grant
Storage device maintenance in a portable device based on a power event
- Patent number 8,635,491
- Issue date Jan 21, 2014
- Seagate Technology LLC
- Mingzhong Ding
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Determining microactuator failure in a multi-stage tracking system
- Patent number 8,467,144
- Issue date Jun 18, 2013
- Seagate Technology LLC
- Kang Hai Lim
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage medium having system data stored in a guard band betwe...
- Patent number 8,120,868
- Issue date Feb 21, 2012
- Seagate Technology LLC
- Qiang Bi
- G11 - INFORMATION STORAGE
Information Patent Grant
Impact protection for a retractable control object
- Patent number 7,872,827
- Issue date Jan 18, 2011
- Seagate Technology LLC
- JiaHong Shu
- G11 - INFORMATION STORAGE
Information Patent Grant
Data protection based on system vibration modes
- Patent number 7,760,456
- Issue date Jul 20, 2010
- Seagate Technology LLC
- Mingzhong Ding
- G11 - INFORMATION STORAGE
Information Patent Grant
Variable spindle speed for ramp unload
- Patent number 7,715,145
- Issue date May 11, 2010
- Seagate Technology LLC
- KianKeong Ooi
- G11 - INFORMATION STORAGE
Information Patent Grant
Prediction-based data reassignment
- Patent number 7,627,778
- Issue date Dec 1, 2009
- Seagate Technology LLC
- HuaYuan Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Servo gain adjustment based on bias force error
- Patent number 7,595,957
- Issue date Sep 29, 2009
- Seagate Technology LLC
- KeXiu Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Vibration compensation based on identification of vibration frequency
- Patent number 7,596,795
- Issue date Sep 29, 2009
- Seagate Technology LLC
- Mingzhong Ding
- G11 - INFORMATION STORAGE
Information Patent Grant
Discontinuous mode back EMF measurement
- Patent number 7,576,939
- Issue date Aug 18, 2009
- Seagate Technology LLC
- KianKeong Ooi
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage medium with optimized servo format
- Patent number 7,405,893
- Issue date Jul 29, 2008
- Seagate Technology LLC
- Qiang Bi
- G11 - INFORMATION STORAGE
Information Patent Grant
Using a mechanical stop for determining an operating parameter of a...
- Patent number 7,397,623
- Issue date Jul 8, 2008
- Seagate Technology LLC
- EikFun Khor
- G11 - INFORMATION STORAGE
Information Patent Grant
Random vibration and shock compensator using a disturbance observer
- Patent number 7,319,570
- Issue date Jan 15, 2008
- Seagate Technology LLC
- QingWei Jia
- G11 - INFORMATION STORAGE
Information Patent Grant
Sensing a prior transducer position by a motion pattern
- Patent number 7,295,395
- Issue date Nov 13, 2007
- Seagate Technology LLC
- ChoonHoe Koh
- G11 - INFORMATION STORAGE
Information Patent Grant
Determining a location based on a cyclic bit sequence containing co...
- Patent number 7,242,546
- Issue date Jul 10, 2007
- Seagate Technology LLC
- KianKeong Ooi
- G11 - INFORMATION STORAGE
Information Patent Grant
Adaptive voltage-mode controller for a voice coil motor
- Patent number 7,199,964
- Issue date Apr 3, 2007
- Seagate Technology LLC
- KeXiu Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Acoustical noise reduction for a data storage device
- Patent number 7,190,542
- Issue date Mar 13, 2007
- Seagate Technology LLC
- KianSoon Yeo
- G11 - INFORMATION STORAGE
Information Patent Grant
Electrical phase compensation in BEMF spindle motor control
- Patent number 7,170,249
- Issue date Jan 30, 2007
- Seagate Technology LLC
- June Christian Ang
- G11 - INFORMATION STORAGE
Information Patent Grant
Head polarity detection algorithm and apparatus
- Patent number 7,133,227
- Issue date Nov 7, 2006
- Seagate Technology LLC
- TaiVie Chiang
- G11 - INFORMATION STORAGE
Information Patent Grant
Temperature compensation of seek profiles in data storage devices
- Patent number 6,995,946
- Issue date Feb 7, 2006
- Seagate Technology LLC
- Mingzhong Ding
- G11 - INFORMATION STORAGE
Information Patent Grant
Track closure error cancellation for a disc drive
- Patent number 6,882,497
- Issue date Apr 19, 2005
- Seagate Technology LLC
- ShuangQuan Min
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for feedforward repeatable runout compensation...
- Patent number 6,859,341
- Issue date Feb 22, 2005
- Seagate Technology LLC
- ShuangQuan Min
- G11 - INFORMATION STORAGE
Information Patent Grant
Sinusoidal feed-forward seek with adaptive acoustic level constraint
- Patent number 6,762,571
- Issue date Jul 13, 2004
- Seagate Technology LLC
- ShuangQuan Min
- G11 - INFORMATION STORAGE
Information Patent Grant
Tuning track density for data storage device
- Patent number 6,751,036
- Issue date Jun 15, 2004
- Seagate Technology LLC
- Beng Wee Quak
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
HDD WRITE BUFFER ZONE FOR VIBRATION CONDITION
- Publication number 20150269081
- Publication date Sep 24, 2015
- SEAGATE TECHNOLOGY LLC
- JiaHong Shu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DETERMINING MICROACTUATOR FAILURE IN A MULTI-STAGE TRACKING SYSTEM
- Publication number 20120281310
- Publication date Nov 8, 2012
- Seagate Technology LLC
- Kang Hai Lim
- G11 - INFORMATION STORAGE
Information Patent Application
TEMPERATURE INDUCED HEAD SKEW
- Publication number 20120044593
- Publication date Feb 23, 2012
- Seagate Technology LLC
- Yong Xiao
- G11 - INFORMATION STORAGE
Information Patent Application
VARIABLE SPINDLE SPEED FOR RAMP UNLOAD
- Publication number 20100067138
- Publication date Mar 18, 2010
- Seagate Technology
- KianKeong Ooi
- G11 - INFORMATION STORAGE
Information Patent Application
DISCONTINUOUS MODE BACK EMF MEASUREMENT
- Publication number 20090128946
- Publication date May 21, 2009
- Seagate Technology, LLC
- KianKeong Ooi
- G11 - INFORMATION STORAGE
Information Patent Application
DATA PROTECTION BASED ON SYSTEM VIBRATION MODES
- Publication number 20090128945
- Publication date May 21, 2009
- Seagate Technology LLC
- Mingzhong Ding
- G11 - INFORMATION STORAGE
Information Patent Application
STORAGE DEVICE MAINTENANCE IN A PORTABLE DEVICE BASED ON A POWER EVENT
- Publication number 20090089603
- Publication date Apr 2, 2009
- Seagate Technology LLC
- Mingzhong Ding
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMPACT PROTECTION FOR A RETRACTABLE CONTROL OBJECT
- Publication number 20090027798
- Publication date Jan 29, 2009
- Seagate Technology LLC
- JiaHong Shu
- G11 - INFORMATION STORAGE
Information Patent Application
SERVO GAIN ADJUSTMENT BASED ON BIAS FORCE ERROR
- Publication number 20090003146
- Publication date Jan 1, 2009
- Seagate Technology LLC
- KeXiu Liu
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE MEDIUM HAVING SYSTEM DATA STORED IN A GUARD BAND BETWE...
- Publication number 20080304172
- Publication date Dec 11, 2008
- Seagate Technology LLC
- Qiang Bi
- G11 - INFORMATION STORAGE
Information Patent Application
Shock Absorber Capable of Damping Vibration
- Publication number 20080284074
- Publication date Nov 20, 2008
- Seagate Technology LLC
- JuiJing Lim
- G11 - INFORMATION STORAGE
Information Patent Application
Vibration Compensation Based on Identification of Vibration Frequency
- Publication number 20080262658
- Publication date Oct 23, 2008
- Seagate Technology LLC
- Mingzhong Ding
- G11 - INFORMATION STORAGE
Information Patent Application
PREDICTION-BASED DATA REASSIGNMENT
- Publication number 20080155304
- Publication date Jun 26, 2008
- Seagate Technology LLC
- HuaYuan Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Active brake for spindle motor
- Publication number 20080048595
- Publication date Feb 28, 2008
- Seagate Technology, LLC
- JiaHong Shu
- G11 - INFORMATION STORAGE
Information Patent Application
Data storage medium with optimized servo format
- Publication number 20070064325
- Publication date Mar 22, 2007
- Seagate Technology LLC
- Qiang Bi
- G11 - INFORMATION STORAGE
Information Patent Application
Random vibration and shock compensator using a disturbance observer
- Publication number 20070064334
- Publication date Mar 22, 2007
- Seagate Technology LLC
- QingWei Jia
- G11 - INFORMATION STORAGE
Information Patent Application
Adaptive voltage-mode controller for a voice coil motor
- Publication number 20070013337
- Publication date Jan 18, 2007
- Seagate Technology LLC
- KeXiu Liu
- G11 - INFORMATION STORAGE
Information Patent Application
Electrical phase compensation in BEMF spindle motor control
- Publication number 20060097681
- Publication date May 11, 2006
- Seagate Technology LLC
- June Christian Ang
- G11 - INFORMATION STORAGE
Information Patent Application
Sensing a prior head position by a motion pattern
- Publication number 20050201000
- Publication date Sep 15, 2005
- ChoonHoe Koh
- G11 - INFORMATION STORAGE
Information Patent Application
Head polarity detection algorithm and apparatus
- Publication number 20050157415
- Publication date Jul 21, 2005
- TaiVie Chiang
- G11 - INFORMATION STORAGE
Information Patent Application
Determining a location based on a cyclic bit sequence containing co...
- Publication number 20050078396
- Publication date Apr 14, 2005
- KianKeong Ooi
- G11 - INFORMATION STORAGE
Information Patent Application
Using a mechanical stop for determining an operating parameter of a...
- Publication number 20050078402
- Publication date Apr 14, 2005
- EikFun Khor
- G11 - INFORMATION STORAGE
Information Patent Application
Motor torque variation compensation
- Publication number 20050034539
- Publication date Feb 17, 2005
- LeeLing Tan
- G11 - INFORMATION STORAGE
Information Patent Application
Temperature compensation of seek profiles in data storage devices
- Publication number 20040264036
- Publication date Dec 30, 2004
- Seagate Technology LLC
- Mingzhong Ding
- G11 - INFORMATION STORAGE
Information Patent Application
Electrical phase compensation in BEMF spindle motor control
- Publication number 20040245950
- Publication date Dec 9, 2004
- June Christian Ang
- G11 - INFORMATION STORAGE
Information Patent Application
Apparatus and method for retracting an actuator
- Publication number 20040075934
- Publication date Apr 22, 2004
- LeeLing Tan
- G11 - INFORMATION STORAGE
Information Patent Application
Identification and cancellation of cage frequency in a hard disc drive
- Publication number 20030218814
- Publication date Nov 27, 2003
- ShuangQuan Min
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for feedforward repeatable runout compensation...
- Publication number 20030193736
- Publication date Oct 16, 2003
- ShuangQuan Min
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-advanced filter for robust resonance cancellation
- Publication number 20030076615
- Publication date Apr 24, 2003
- Seagate Technology LLC
- Mingzhong Ding
- G11 - INFORMATION STORAGE
Information Patent Application
Track closure error cancellation for a disc drive
- Publication number 20030058570
- Publication date Mar 27, 2003
- Seagate Technology LLC
- ShuangQuan Min
- G11 - INFORMATION STORAGE

KianKeong Ooi

Person

Patents Grantslast 30 patents

Closed-loop fly height control using transfer function between harm...

Closed-loop fly height control using sector-specific, repeatable VG...

HDD write buffer zone for vibration condition

AC MR-offset compensation

Dynamic configuration of seek recovery in a disk drive

Shock absorber capable of damping vibration

Storage device maintenance in a portable device based on a power event

Determining microactuator failure in a multi-stage tracking system

Data storage medium having system data stored in a guard band betwe...

Impact protection for a retractable control object

Data protection based on system vibration modes

Variable spindle speed for ramp unload

Prediction-based data reassignment

Servo gain adjustment based on bias force error

Vibration compensation based on identification of vibration frequency

Discontinuous mode back EMF measurement

Data storage medium with optimized servo format

Using a mechanical stop for determining an operating parameter of a...

Random vibration and shock compensator using a disturbance observer

Sensing a prior transducer position by a motion pattern

Determining a location based on a cyclic bit sequence containing co...

Adaptive voltage-mode controller for a voice coil motor

Acoustical noise reduction for a data storage device

Electrical phase compensation in BEMF spindle motor control

Head polarity detection algorithm and apparatus

Temperature compensation of seek profiles in data storage devices

Track closure error cancellation for a disc drive

Method and apparatus for feedforward repeatable runout compensation...

Sinusoidal feed-forward seek with adaptive acoustic level constraint

Tuning track density for data storage device

Patents Applicationslast 30 patents

HDD WRITE BUFFER ZONE FOR VIBRATION CONDITION

DETERMINING MICROACTUATOR FAILURE IN A MULTI-STAGE TRACKING SYSTEM

TEMPERATURE INDUCED HEAD SKEW

VARIABLE SPINDLE SPEED FOR RAMP UNLOAD

DISCONTINUOUS MODE BACK EMF MEASUREMENT

DATA PROTECTION BASED ON SYSTEM VIBRATION MODES

STORAGE DEVICE MAINTENANCE IN A PORTABLE DEVICE BASED ON A POWER EVENT

IMPACT PROTECTION FOR A RETRACTABLE CONTROL OBJECT

SERVO GAIN ADJUSTMENT BASED ON BIAS FORCE ERROR

DATA STORAGE MEDIUM HAVING SYSTEM DATA STORED IN A GUARD BAND BETWE...

Shock Absorber Capable of Damping Vibration

Vibration Compensation Based on Identification of Vibration Frequency

PREDICTION-BASED DATA REASSIGNMENT

Active brake for spindle motor

Data storage medium with optimized servo format

Random vibration and shock compensator using a disturbance observer

Adaptive voltage-mode controller for a voice coil motor

Electrical phase compensation in BEMF spindle motor control

Sensing a prior head position by a motion pattern

Head polarity detection algorithm and apparatus

Determining a location based on a cyclic bit sequence containing co...

Using a mechanical stop for determining an operating parameter of a...

Motor torque variation compensation

Temperature compensation of seek profiles in data storage devices

Electrical phase compensation in BEMF spindle motor control

Apparatus and method for retracting an actuator

Identification and cancellation of cage frequency in a hard disc drive

Method and apparatus for feedforward repeatable runout compensation...

Phase-advanced filter for robust resonance cancellation

Track closure error cancellation for a disc drive