JC

Joseph Chang

Samsung: 11 patents #12,136 of 75,807Top 20%
PA Philips Electronics North America: 2 patents #192 of 725Top 30%
Philips: 1 patents #3,761 of 7,731Top 50%
PA Paceco: 1 patents #15 of 32Top 50%
Overall (All Time): #325,933 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7800864 Actuator latch apparatus having protrusion insertedly coupled to counterbalance for disk drive Tae-Soo Kim 2010-09-21
7715150 Apparatus and method for head gimbal assembly sharing power to slider amplifier and micro-actuator in a hard disk drive Brian D. Strom, Na Young Kim, Sung Chang Lee, Vinod Sharma 2010-05-11
7706107 Method and apparatus for flexible printed circuit bracket including crash stop and/or air block in a hard disk drive Gregory Minh Tran, Tho Pham, Shiao-Hua Chen 2010-04-27
7535679 Disk drive actuator latch apparatus having elastic damping arm Tae-Soo Kim 2009-05-19
7369367 Disk drive voice coil motor yoke assembly having proximity latch magnet pair attracting and holding voice coil bias steel therebetween Lam Tran, Tho Pham 2008-05-06
7256961 Damped spindle motor flange for the disk pack in a hard disk drive Shiao-Hua Chen, Frank Morris 2007-08-14
7248441 Disk drive actuator parking method using impact rebound crash stop with bias tab and pusher and crash stop faces Ron Kirkish, Vinod Sharma, Frank Morris, Bipin V. Gami 2007-07-24
7012785 Method and apparatus for head slider and suspension reducing air flow turbulence about the slider when accessing a rotating disk in a disk drive Vinod Sharma, Debasis Baral 2006-03-14
6967822 Disk drive actuator impact rebound crash stop with bias tab and pusher and crash stop faces Ron Kirkish, Vinod Sharma, Frank Morris, Bipin V. Gami 2005-11-22
6771451 Auto centering of disks on a hard disk drive Frank Morris, Scott Tran 2004-08-03
6747843 Ramp design for reducing read-write head track positioning errors Vinod Sharma, Hyung Jai Lee 2004-06-08
6731468 Pawl latch for ramp loading hard disk drivers Kelly Williams, Ron Kirkish 2004-05-04
6541925 Resonant converter circuit with suppression of transients during changes in operating condition Chin Chang, Gert W. Bruning 2003-04-01
6016257 Voltage regulated power supply utilizing phase shift control Chin Chang, Gert W. Bruning 2000-01-18
5781418 Switching scheme for power supply having a voltage-fed inverter Chin Chang 1998-07-14