Inventor
Soo-Choon Kang
Inventor
San Jose, CA, US
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer79%
H01LSemiconductor devices5%
H10DInorganic electric semiconductor devices5%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h105%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
11,038,019Power semiconductor device and method for manufacturing the same202110,410,656Data storage device pre-biasing a spin torque oscillator prior to a write operation20198,861,126'Disk drive detecting when head is on ramp'20148,786,976'Disk drive detecting when head is on ramp'20148,699,173'Disk drive detecting touchdown event by evaluating frequency response of a touchdown metric'20147,974,039'Disk drive to reduce head instability'20117,817,286'Iteration method to improve the fly height measurement accuracy by optical interference method and theoretical pitch and roll effect'20107,675,707'Disk drive employing repeatable disturbance compensation for fly height control'20107,440,220'Method for defining a touch-down power for head having a flying height actuator'20087,436,620'Method for selecting an electrical power to be applied to a head-based flying height actuator'20087,009,813'Apparatus and method of configuring the air bearing surfaces of sliders in disk drives for producing high temperatures in thermally-assisted recordings'20066,775,103'Slider head having thermally controlled distal end and assembly with a rotating disc'20046,680,821'Slider air bearing surface having improved fly height profile characteristics'20046,674,611'Air bearing design producing steeper ramp profile near the laser texture zone'20046,477,013'Slider air bearing design and method providing writing of a laser field (WOLF) measurement without substantial fly height affect'20026,333,835'Step pad air bearing for load/unload mechanism'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2002Patents assigned to IBM (2)· patent assignee history
2001–2011Based in San Jose, CA, US· patent location history
2004–2010Patents assigned to HITACHI GLOBAL STORAGE TECH (5)· patent assignee history
2010–2019Patents assigned to WESTERN DIGITAL TECH INC (5)· patent assignee history
2014Patents assigned to KANG SOO-CHOON (2)· patent assignee history
2014Patents assigned to WEERASOORIYA SIRI S (2)· patent assignee history
2014–2019Based in Irvine, CA, US· patent location history
2021Based in Seoul, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI GLOBAL STORAGE TECH | 5 | 2004–2010 |
| WESTERN DIGITAL TECH INC | 5 | 2010–2019 |
| IBM | 2 | 2001–2002 |
| KANG SOO-CHOONself | 2 | 2014 |
| WEERASOORIYA SIRI S | 2 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 11 | 2001–2011 |
| Irvine, California, US | 4 | 2014–2019 |
| Seoul, KR | 1 | 2021 |