Sang Hoon Chu

Person

Suwon-si, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Data storage disk having variable location signal and disk drive us...
- Patent number 8,228,628
- Issue date Jul 24, 2012
- Seagate Technology International
- Kum-Jung Song
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus adjusting reference clock frequency and disk d...
- Patent number 7,952,825
- Issue date May 31, 2011
- Samsung Electronics Co., Ltd.
- Sang-hoon Chu
- G11 - INFORMATION STORAGE
Information Patent Grant
Disturbance compensation determination apparatus, a related method,...
- Patent number 7,777,982
- Issue date Aug 17, 2010
- Samsung Electronics Co., Ltd.
- Nam-guk Kim
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of determining size of error and write control method for ha...
- Patent number 7,715,140
- Issue date May 11, 2010
- Samsung Electronics Co., Ltd.
- Sang-hoon Chu
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method compensating recurring false speed errors in D...
- Patent number 7,667,417
- Issue date Feb 23, 2010
- Samsung Electronics Co., Ltd.
- Sang-hoon Chu
- G11 - INFORMATION STORAGE
Information Patent Grant
HDD data read control apparatus, medium, and method
- Patent number 7,593,180
- Issue date Sep 22, 2009
- Samsung Electronics Co., Ltd.
- Jong-yun Yun
- G11 - INFORMATION STORAGE
Information Patent Grant
Adaptive disturbance repressing method and apparatus, and disk driv...
- Patent number 7,564,644
- Issue date Jul 21, 2009
- Samsung Electronics Co., Ltd.
- Nam-guk Kim
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for measuring track width of hard disk drive
- Patent number 7,489,467
- Issue date Feb 10, 2009
- Samsung Electronics Co., Ltd.
- Jae-Hyeong Kim
- G11 - INFORMATION STORAGE
Information Patent Grant
Method, medium, and apparatus controlling current gain change of a...
- Patent number 7,432,673
- Issue date Oct 7, 2008
- Samsung Electronics Co., Ltd.
- Kyoung-whan Oh
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus, medium, and method with seek servo control considering t...
- Patent number 7,369,352
- Issue date May 6, 2008
- Samsung Electronics Co., Ltd.
- Sang-hoon Chu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method, medium, and apparatus compensating for torque variations ba...
- Patent number 7,342,739
- Issue date Mar 11, 2008
- Samsung Electronics Co., Ltd.
- Cheol-hoon Park
- G11 - INFORMATION STORAGE
Information Patent Grant
Write control method of hard disk drive, hard disk drive adapting t...
- Patent number 7,336,438
- Issue date Feb 26, 2008
- Samsung Electronics Co., Ltd.
- Cheol-hoon Park
- G11 - INFORMATION STORAGE
Information Patent Grant
Seek servo control method for adapting to supply voltage variation...
- Patent number 7,333,292
- Issue date Feb 19, 2008
- Samsung Electronics Co., Ltd.
- Sang-hoon Chu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method, medium, and apparatus controlling track seek in a recording...
- Patent number 7,248,428
- Issue date Jul 24, 2007
- Samsung Electronics Co., Ltd.
- Nam-guk Kim
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of testing servo burst signals of hard disk drive and record...
- Patent number 7,203,024
- Issue date Apr 10, 2007
- Samsung Electronics Co., Ltd.
- Yong-gwon Lee
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for unlatching a head within a data storage de...
- Patent number 7,145,743
- Issue date Dec 5, 2006
- Samsung Electronics Co., Ltd.
- Cheol-Hoon Park
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for compensating for torque change in seek servo
- Patent number 7,116,515
- Issue date Oct 3, 2006
- Samsung Electronics Co., Ltd.
- Sang-hoon Chu
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
DATA STORAGE DISK HAVING VARIABLE LOCATION SIGNAL AND DISK DRIVE US...
- Publication number 20090268338
- Publication date Oct 29, 2009
- Samsung Electronics Co., Ltd.
- Kum-Jung Song
- G11 - INFORMATION STORAGE
Information Patent Application
HARD DISK DRIVE APPARATUS TO CONTROL FLYING HEIGHT OF MAGNETIC HEAD...
- Publication number 20080174902
- Publication date Jul 24, 2008
- Samsung Electronics Co., Lt.
- Nam-guk Kim
- G11 - INFORMATION STORAGE
Information Patent Application
DISTURBANCE COMPENSATION DETERMINATION APPARATUS, A RELATED METHOD,...
- Publication number 20080123480
- Publication date May 29, 2008
- Samsung Electronics Co., Ltd.
- Nam-guk Kim
- G11 - INFORMATION STORAGE
Information Patent Application
ADAPTIVE DISTURBANCE REPRESSING METHOD AND APPARATUS, AND DISK DRIV...
- Publication number 20080037158
- Publication date Feb 14, 2008
- Samsung Electronics Co., Ltd.
- Nam-guk Kim
- G11 - INFORMATION STORAGE
Information Patent Application
ADAPTIVE SPINDLE MOTOR STARTUP METHOD AND DISK DRIVE USING THE SAME
- Publication number 20080037164
- Publication date Feb 14, 2008
- Samsung Electronics Co., Ltd.
- Kyoung-whan OH
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND APPARATUS ADJUSTING REFERENCE CLOCK FREQUENCY AND DISK D...
- Publication number 20080019031
- Publication date Jan 24, 2008
- Samsung Electronics Co., Ltd.
- Sang-hoon Chu
- G11 - INFORMATION STORAGE
Information Patent Application
Method for measuring track width of hard disk drive
- Publication number 20070188903
- Publication date Aug 16, 2007
- Jae-Hyeong Kim
- G11 - INFORMATION STORAGE
Information Patent Application
Apparatus and method compensating recurring false speed errors in D...
- Publication number 20070160352
- Publication date Jul 12, 2007
- Sang-hoon Chu
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for suppressing resonance of hard disk drive u...
- Publication number 20070019321
- Publication date Jan 25, 2007
- Samsung Electronics Co., Ltd.
- Nam-guk Kim
- G11 - INFORMATION STORAGE
Information Patent Application
Method of determining size of error and write control method for ha...
- Publication number 20070014043
- Publication date Jan 18, 2007
- Samsung Electronics Co., Ltd.
- Sang-hoon Chu
- G11 - INFORMATION STORAGE
Information Patent Application
Write control method of hard disk drive, hard disk drive adapting t...
- Publication number 20060291089
- Publication date Dec 28, 2006
- Samsung Electronics Co., Ltd.
- Cheol-hoon Park
- G11 - INFORMATION STORAGE
Information Patent Application
Apparatus, medium, and method with seek servo control considering t...
- Publication number 20060268449
- Publication date Nov 30, 2006
- Samsung Electronics Co., Ltd.
- Sang-hoon Chu
- G11 - INFORMATION STORAGE
Information Patent Application
Seek servo control method for adapting to supply voltage variation...
- Publication number 20060171063
- Publication date Aug 3, 2006
- SAMSUNG ELECTRONICS., LTD.
- Sang-hoon Chu
- G11 - INFORMATION STORAGE
Information Patent Application
HDD data read control apparatus, medium, and method
- Publication number 20060158770
- Publication date Jul 20, 2006
- Samsung Electronics Co., Ltd.
- Jong-yun Yun
- G11 - INFORMATION STORAGE
Information Patent Application
Method, medium, and apparatus controlling current gain change of a...
- Publication number 20060125429
- Publication date Jun 15, 2006
- Samsung Electronics Co., Ltd.
- Kyoung-whan Oh
- G11 - INFORMATION STORAGE
Information Patent Application
Method, medium, and apparatus controlling track seek in a recording...
- Publication number 20060119978
- Publication date Jun 8, 2006
- Samsung Electronics Co., Ltd.
- Nam-guk Kim
- G11 - INFORMATION STORAGE
Information Patent Application
Method, medium, and apparatus compensating for torque variations ba...
- Publication number 20060007591
- Publication date Jan 12, 2006
- Samsung Electronics Co., Ltd.
- Cheol-hoon Park
- G11 - INFORMATION STORAGE
Information Patent Application
Method of testing servo burst signals of hard disk drive and record...
- Publication number 20050168858
- Publication date Aug 4, 2005
- Samsung Electronics Co., Ltd.
- Yong-gwon Lee
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for compensating for torque change in seek servo
- Publication number 20050134997
- Publication date Jun 23, 2005
- Samsung Electronics Co., Ltd.
- Sang-hoon Chu
- G11 - INFORMATION STORAGE
Information Patent Application
Apparatus and method for unlatching a head within a data storage de...
- Publication number 20050117245
- Publication date Jun 2, 2005
- Cheol-Hoon Park
- G11 - INFORMATION STORAGE

Sang Hoon Chu

Person

Patents Grantslast 30 patents

Data storage disk having variable location signal and disk drive us...

Method and apparatus adjusting reference clock frequency and disk d...

Disturbance compensation determination apparatus, a related method,...

Method of determining size of error and write control method for ha...

Apparatus and method compensating recurring false speed errors in D...

HDD data read control apparatus, medium, and method

Adaptive disturbance repressing method and apparatus, and disk driv...

Method for measuring track width of hard disk drive

Method, medium, and apparatus controlling current gain change of a...

Apparatus, medium, and method with seek servo control considering t...

Method, medium, and apparatus compensating for torque variations ba...

Write control method of hard disk drive, hard disk drive adapting t...

Seek servo control method for adapting to supply voltage variation...

Method, medium, and apparatus controlling track seek in a recording...

Method of testing servo burst signals of hard disk drive and record...

Apparatus and method for unlatching a head within a data storage de...

Method and apparatus for compensating for torque change in seek servo

Patents Applicationslast 30 patents

DATA STORAGE DISK HAVING VARIABLE LOCATION SIGNAL AND DISK DRIVE US...

HARD DISK DRIVE APPARATUS TO CONTROL FLYING HEIGHT OF MAGNETIC HEAD...

DISTURBANCE COMPENSATION DETERMINATION APPARATUS, A RELATED METHOD,...

ADAPTIVE DISTURBANCE REPRESSING METHOD AND APPARATUS, AND DISK DRIV...

ADAPTIVE SPINDLE MOTOR STARTUP METHOD AND DISK DRIVE USING THE SAME

METHOD AND APPARATUS ADJUSTING REFERENCE CLOCK FREQUENCY AND DISK D...

Method for measuring track width of hard disk drive

Apparatus and method compensating recurring false speed errors in D...

Method and apparatus for suppressing resonance of hard disk drive u...

Method of determining size of error and write control method for ha...

Write control method of hard disk drive, hard disk drive adapting t...

Apparatus, medium, and method with seek servo control considering t...

Seek servo control method for adapting to supply voltage variation...

HDD data read control apparatus, medium, and method

Method, medium, and apparatus controlling current gain change of a...

Method, medium, and apparatus controlling track seek in a recording...

Method, medium, and apparatus compensating for torque variations ba...

Method of testing servo burst signals of hard disk drive and record...

Method and apparatus for compensating for torque change in seek servo

Apparatus and method for unlatching a head within a data storage de...