Inventor
Kyoung-whan Oh
Inventor
Seoul, KR
Overview
Patents· 10 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 transducer19%
G05BControl or regulating systems in general12%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters12%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1012%
B23KSoldering or unsoldering8%
H01LSemiconductor devices8%
H04JMultiplex communication8%
H04LTransmission of digital information, e.g. telegraphic communication8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
B25JManipulators4%
PatentTitleYear
10,579,048EtherCAT control device and factory automation system having the same202010,546,765Wafer perforating device202010,442,034Wafer cutting apparatus201910,095,224EtherCAT control device and factory automation system having the same201810,040,198Method of processing location information and method of processing measurement information including the same20187,667,417'Apparatus and method compensating recurring false speed errors in DC motor and disk drive adopting same'20107,593,178'Method of reducing abrasion of disk by using dithering process and disk drive using the same'20097,583,464'Apparatus and method compensating mechanical tolerance of brushless direct current motor and related disk drive'20097,432,673'Method, medium, and apparatus controlling current gain change of a spindle motor driver'20087,400,466'Method and apparatus for driving spindle motor using adaptive feedforward control'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2020Patents assigned to SAMSUNG ELECTRONICS CO LTD (10)· patent assignee history
2008–2010Based in Seoul, KR· patent location history
2009Based in Gwanak-gu, KR· patent location history
2018Patents assigned to SAMSUNG ELETCRONICS CO LTD (1)· patent assignee history
2018–2020Based in Suwon-si, KR· patent location history
2019–2020Based in Hwaseong-si, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAMSUNG ELECTRONICS CO LTD | 10 | 2008–2020 |
| SAMSUNG ELETCRONICS CO LTD | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seoul, KR | 4 | 2008–2010 |
| Suwon-si, KR | 3 | 2018–2020 |
| Hwaseong-si, KR | 2 | 2019–2020 |
| Gwanak-gu, KR | 1 | 2009 |