| Patent | Date |
|---|
Soft Actuator Having Cooler, Wearable Robot Having The Same, Massage Device Having The Same, And Method For Controlling The Same
App 20220213875 - PARK; Cheol-Hoon ; et al. | 2022-07-07 |
Biomimetic artificial muscle module, biomimetic artificial muscle assembly having the same, and method of controlling the same
Grant 10,973,620 - Choi , et al. April 13, 2 | 2021-04-13 |
Device for driving artificial muscle module and method for driving artificial muscle module
Grant 10,792,806 - Park , et al. October 6, 2 | 2020-10-06 |
Biomimetic Artificial Muscle Module, Biomimetic Artificial Muscle Assembly Having The Same, And Method Of Controlling The Same
App 20200246129 - Kind Code | 2020-08-06 |
Roller module with magnetic bearings and permanent magnets
Grant 10,632,739 - Park , et al. | 2020-04-28 |
Device For Driving Artificial Muscle Module And Method For Driving Artificial Muscle Module
App 20190152052 - PARK; Cheol-hoon ; et al. | 2019-05-23 |
Thrust magnetic bearing for bias compensation
Grant 10,001,165 - Park , et al. June 19, 2 | 2018-06-19 |
Roller Module With Magnetic Bearings And Permanent Magnets
App 20180050533 - PARK; Cheol-Hoon ; et al. | 2018-02-22 |
Composite magnetic bearing having auxiliary bearing coupled thereto
Grant 9,273,723 - Park , et al. March 1, 2 | 2016-03-01 |
Air-foil bearing
Grant 9,181,977 - Park , et al. November 10, 2 | 2015-11-10 |
Thrust Magnetic Bearing For Bias Compensation
App 20150316097 - PARK; Cheol-hoon ; et al. | 2015-11-05 |
Thrust bearing and combo bearing
Grant 9,157,473 - Park , et al. October 13, 2 | 2015-10-13 |
Magnetic bearing structure and turbo machine having the same
Grant 9,041,266 - Park , et al. May 26, 2 | 2015-05-26 |
Split combo bearing
Grant 8,998,493 - Park , et al. April 7, 2 | 2015-04-07 |
Air-foil Bearing
App 20150086141 - PARK; Cheol-hoon ; et al. | 2015-03-26 |
Composite Magnetic Bearing Having Auxiliary Bearing Coupled Thereto
App 20140361651 - Park; Cheol-Hoon ; et al. | 2014-12-11 |
Split Combo Bearing
App 20140321779 - PARK; Cheol-hoon ; et al. | 2014-10-30 |
Thrust Bearing And Combo Bearing
App 20140199006 - PARK; Cheol-Hoon ; et al. | 2014-07-17 |
Magnetic Bearing Structure And Turbo Machine Having The Same
App 20130009501 - Park; Cheol Hoon ; et al. | 2013-01-10 |
Method and apparatus adjusting reference clock frequency and disk drive using same
Grant 7,952,825 - Chu , et al. May 31, 2 | 2011-05-31 |
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
Grant 7,715,140 - Chu , et al. May 11, 2 | 2010-05-11 |
Method of searching to find a servo pattern corresponding to a servo pattern copy process
Grant 7,619,848 - Park , et al. November 17, 2 | 2009-11-17 |
Disk drive adaptive resonance compensation method and apparatus
Grant 7,583,465 - Park , et al. September 1, 2 | 2009-09-01 |
Method for measuring track width of hard disk drive
Grant 7,489,467 - Kim , et al. February 10, 2 | 2009-02-10 |
Method, medium, and apparatus controlling current gain change of a spindle motor driver
Grant 7,432,673 - Oh , et al. October 7, 2 | 2008-10-07 |
Method and apparatus for driving spindle motor using adaptive feedforward control
Grant 7,400,466 - Lee , et al. July 15, 2 | 2008-07-15 |
Apparatus, medium, and method with seek servo control considering temperature change
Grant 7,369,352 - Chu , et al. May 6, 2 | 2008-05-06 |
Method, medium, and apparatus compensating for torque variations based on temperature
Grant 7,342,739 - Park , et al. March 11, 2 | 2008-03-11 |
Write control method of hard disk drive, hard disk drive adapting the method and recording medium thereof
Grant 7,336,438 - Park , et al. February 26, 2 | 2008-02-26 |
Seek servo control method for adapting to supply voltage variation and disk drive using the same
Grant 7,333,292 - Chu , et al. February 19, 2 | 2008-02-19 |
Adaptive Spindle Motor Startup Method And Disk Drive Using The Same
App 20080037164 - OH; Kyoung-whan ; et al. | 2008-02-14 |
Method And Apparatus Adjusting Reference Clock Frequency And Disk Drive Using Same
App 20080019031 - CHU; Sang-hoon ; et al. | 2008-01-24 |
Method Of Searching To Find A Servo Pattern Corresponding To A Servo Pattern Copy Process
App 20080019033 - PARK; Cheol-hoon ; et al. | 2008-01-24 |
Disk Drive Adaptive Resonance Compensation Method And Apparatus
App 20080007861 - PARK; Cheol-hoon ; et al. | 2008-01-10 |
Method for measuring track width of hard disk drive
App 20070188903 - Kim; Jae-Hyeong ; et al. | 2007-08-16 |
Method, medium, and apparatus controlling track seek in a recording and/or reproducing apparatus
Grant 7,248,428 - Kim , et al. July 24, 2 | 2007-07-24 |
Method and apparatus for driving spindle motor using adaptive feedforward control
App 20070097538 - Lee; Kang-seok ; et al. | 2007-05-03 |
Method of testing servo burst signals of hard disk drive and recording medium adapted therefor
Grant 7,203,024 - Lee , et al. April 10, 2 | 2007-04-10 |
Method and apparatus for suppressing resonance of hard disk drive using notch filter
App 20070019321 - Kim; Nam-guk ; et al. | 2007-01-25 |
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
App 20070014043 - Chu; Sang-hoon ; et al. | 2007-01-18 |
Method for resonance identification in hard disk drives
Grant 7,158,335 - Park , et al. January 2, 2 | 2007-01-02 |
Write control method of hard disk drive, hard disk drive adapting the method and recording medium thereof
App 20060291089 - Park; Cheol-hoon ; et al. | 2006-12-28 |
Apparatus and method for unlatching a head within a data storage device
Grant 7,145,743 - Park , et al. December 5, 2 | 2006-12-05 |
Apparatus, medium, and method with seek servo control considering temperature change
App 20060268449 - Chu; Sang-hoon ; et al. | 2006-11-30 |
Method for resonance identification in hard disk drives
App 20060221492 - Park; Cheol Hoon ; et al. | 2006-10-05 |
Method and apparatus for compensating for torque change in seek servo
Grant 7,116,515 - Chu , et al. October 3, 2 | 2006-10-03 |
Seek servo control method for adapting to supply voltage variation and disk drive using the same
App 20060171063 - Chu; Sang-hoon ; et al. | 2006-08-03 |
Method, medium, and apparatus controlling current gain change of a spindle motor driver
App 20060125429 - Oh; Kyoung-whan ; et al. | 2006-06-15 |
Method, medium, and apparatus controlling track seek in a recording and/or reproducing apparatus
App 20060119978 - Kim; Nam-guk ; et al. | 2006-06-08 |
Flexible data TPI in hard disk drives
App 20060103972 - Chu; Sang Hoon ; et al. | 2006-05-18 |
System and apparatus for position error signal linearization
App 20060103969 - Chu; Sang-Hoon ; et al. | 2006-05-18 |
Method of measuring compensation value for short track seeking in hard disc drive and method of compensating for bias using the same
Grant 7,031,098 - Park April 18, 2 | 2006-04-18 |
Method, medium, and apparatus compensating for torque variations based on temperature
App 20060007591 - Park; Cheol-hoon ; et al. | 2006-01-12 |
Method of testing servo burst signals of hard disk drive and recording medium adapted therefor
App 20050168858 - Lee, Yong-gwon ; et al. | 2005-08-04 |
Method and apparatus for compensating for torque change in seek servo
App 20050134997 - Chu, Sang-hoon ; et al. | 2005-06-23 |
Apparatus and method for unlatching a head within a data storage device
App 20050117245 - Park, Cheol-Hoon ; et al. | 2005-06-02 |
Method of measuring compensation value for short track seeking in hard disc drive and method of compensating for bias using the same
App 20050105207 - Park, Cheol-hoon | 2005-05-19 |
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