P

Inventor

PARK CHEOL-HOON

KR27 patents
⚠️ This page may combine multiple inventors who share the name “PARK CHEOL-HOON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SAMSUNG ELECTRONICS CO LTD

17 patents
US7158335B2Jan 2, 2007

Method for resonance identification in hard disk drives

SAMSUNG ELECTRONICS CO LTD21 citations91
US7203024B2Apr 10, 2007

Method of testing servo burst signals of hard disk drive and recording medium adapted therefor

SAMSUNG ELECTRONICS CO LTD10 citations83
US7715140B2May 11, 2010

Method of determining size of error and write control method for hard disc drive, hard disc drive using the write control method, and media storing computer programs for executing the methods

SAMSUNG ELECTRONICS CO LTD7 citations73
US7248428B2Jul 24, 2007

Method, medium, and apparatus controlling track seek in a recording and/or reproducing apparatus

SAMSUNG ELECTRONICS CO LTD9 citations73
US7952825B2May 31, 2011

Method and apparatus adjusting reference clock frequency and disk drive using same

SAMSUNG ELECTRONICS CO LTD4 citations62
US7619848B2Nov 17, 2009

Method of searching to find a servo pattern corresponding to a servo pattern copy process

SAMSUNG ELECTRONICS CO LTD3 citations62
US7583465B2Sep 1, 2009

Disk drive adaptive resonance compensation method and apparatus

SAMSUNG ELECTRONICS CO LTD5 citations62
US7432673B2Oct 7, 2008

Method, medium, and apparatus controlling current gain change of a spindle motor driver

SAMSUNG ELECTRONICS CO LTD3 citations62
US7369352B2May 6, 2008

Apparatus, medium, and method with seek servo control considering temperature change

SAMSUNG ELECTRONICS CO LTD2 citations62
US7342739B2Mar 11, 2008

Method, medium, and apparatus compensating for torque variations based on temperature

SAMSUNG ELECTRONICS CO LTD4 citations62
US7336438B2Feb 26, 2008

Write control method of hard disk drive, hard disk drive adapting the method and recording medium thereof

SAMSUNG ELECTRONICS CO LTD4 citations62
US7333292B2Feb 19, 2008

Seek servo control method for adapting to supply voltage variation and disk drive using the same

SAMSUNG ELECTRONICS CO LTD2 citations62
US7400466B2Jul 15, 2008

Method and apparatus for driving spindle motor using adaptive feedforward control

SAMSUNG ELECTRONICS CO LTD4 citations61
US7145743B2Dec 5, 2006

Apparatus and method for unlatching a head within a data storage device

SAMSUNG ELECTRONICS CO LTD3 citations61
US7116515B2Oct 3, 2006

Method and apparatus for compensating for torque change in seek servo

SAMSUNG ELECTRONICS CO LTD4 citations61
US7031098B2Apr 18, 2006

Method of measuring compensation value for short track seeking in hard disc drive and method of compensating for bias using the same

SAMSUNG ELECTRONICS CO LTD0 citations52
US7489467B2Feb 10, 2009

Method for measuring track width of hard disk drive

SAMSUNG ELECTRONICS CO LTD0 citations40

KOREA INST MACH & MATERIALS

5 patents

KOREA MACH & MATERIALS INST

4 patents

PARK CHEOL HOON

1 patent