Inventor
Dong-Ryeol Lee
Inventor
Seoul, KR
Overview
Patents· 14 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 transducer14%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1014%
B23KSoldering or unsoldering10%
C22CAlloys10%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1010%
H01LSemiconductor devices7%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light7%
C02FTreatment of water, waste water, sewage, or sludge3%
C12NMicroorganisms or enzymes3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
PatentTitleYear
10,279,436Flux-cored arc welding material having remarkable impact resistance and abrasion resistance201910,266,929Ultrahigh-strength gas metal arc welded joint having excellent impact toughness, and solid wire for producing same201910,081,804Carrier including ammonium oxidizing bacteria immobilized therein and method for preparing same201810,065,272Super high-strength flux cored arc welded joint having excellent impact toughness, and welding wire for manufacturing same20189,570,800'Ground antenna and ground radiator using capacitor'20179,153,492'Semiconductor device and method for fabricating the same'20159,006,866'Semiconductor device and method for fabricating the same'20157,608,546'Method for fabricating a semiconductor device'20097,486,596'Method and apparatus compensating for tilt'20097,457,226'Heat source having thermoelectric element, optical pickup assembly employing the same, and method of reducing temperature therein'20087,396,772'Method for fabricating semiconductor device having capacitor'20087,164,626'Optical pickup using a wedge type beam splitter'20077,116,608'Lens position determination apparatus of optical pickup'20066,842,465'Harmonic wave generator'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2009Patents assigned to SAMSUNG ELECTRONICS CO LTD (5)· patent assignee history
2005–2017Based in Seoul, KR· patent location history
2008–2009Patents assigned to HYNIX SEMICONDUCTOR INC (2)· patent assignee history
2008–2009Based in Ichon-shi, KR· patent location history
2015Patents assigned to SK HYNIX INC (2)· patent assignee history
2015Based in Seongnam, KR· patent location history
2017Patents assigned to CHOI HYENG CHEUL (1)· patent assignee history
2018–2019Patents assigned to POSCO (3)· patent assignee history
2018–2019Based in Pohang-si, KR· patent location history
2018Based in Daegu, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAMSUNG ELECTRONICS CO LTD | 5 | 2005–2009 |
| POSCO | 3 | 2018–2019 |
| HYNIX SEMICONDUCTOR INC | 2 | 2008–2009 |
| SK HYNIX INC | 2 | 2015 |
| CHOI HYENG CHEUL | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seoul, KR | 6 | 2005–2017 |
| Pohang-si, KR | 3 | 2018–2019 |
| Seongnam, KR | 2 | 2015 |
| Ichon-shi, KR | 2 | 2008–2009 |
| Daegu, KR | 1 | 2018 |