Kwon; Hae-sung

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kwon; Hae-sung.The latest application filed is for "apparatus and method for a piezoelectric micro-actuator for a hard disk drive".

Company Profile

0.6.5

Kwon; Hae-sung - San Jose CA
Kwon; Hae Sung - Sunnyvale CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Apparatus and method for a piezoelectric micro-actuator for a hard disk drive Grant 7,974,045 - Kwon , et al. July 5, 2	2011-07-05
Method and apparatus for disk damper extending across all data tracks of a rotating disk surface upwind of the voice coil actuator in a hard disk drive Grant 7,697,236 - Han , et al. April 13, 2	2010-04-13
Method and apparatus using embedded sensor in a piezoelectric micro-actuator in a hard disk drive Grant 7,667,932 - Kwon , et al. February 23, 2	2010-02-23
Apparatus and method for a piezoelectric micro-actuator for a hard disk drive App 20080002305 - Kwon; Hae-sung ; et al.	2008-01-03
Method and apparatus for head gimbal assembly with improved shock performance in hard disk drive App 20080002302 - Kwon; Hae-sung ; et al.	2008-01-03
Method and apparatus using embedded sensor in a piezoelectric micro-actuator in a hard disk drive App 20070165333 - Kwon; Hae-sung ; et al.	2007-07-19
Method and apparatus for improved disk damper in a hard disk drive App 20060171064 - Han; Yun-Sik ; et al.	2006-08-03
Device for reducing damage due to head slap within a hard disk drive Grant 6,950,282 - Yim , et al. September 27, 2	2005-09-27
Device For Reducing Damage Due To Head Slap Within A Hard Disk Drive App 20030189790 - YIM, PYONGWON ; et al.	2003-10-09
Single lever bi-directional inertia latch Grant 6,529,349 - Byun , et al. March 4, 2	2003-03-04
Balance tube for a spindle motor assembly of a hard disk drive Grant 6,178,062 - Yim , et al. January 23, 2	2001-01-23

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