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Inventor

Doo-Hee Cho

Inventor
Daejeon, KR

Overview

52→
Patents
2002–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 52 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H10Kprimary
H10KOrganic electric solid-state devices21%
H01LSemiconductor devices15%
G02BOptical elements, systems or apparatus11%
H10DInorganic electric semiconductor devices5%
H05BElectric heating5%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%
C03CChemical composition of glasses, glazes or vitreous enamels4%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light2%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h102%
Y02PClimate change mitigation technologies in the production or processing of goods2%
PatentTitleYear
11,046,821Emulsion particle, emulsion comprising same, method for manufacturing emulsion202110,789,448Organic electronic device and method of fabricating the same202010,726,186Integrated circuit including a modified cell and a method of designing the same202010,509,145Optical device and methods for manufacturing the same201910,472,276Composition for forming film having wrinkle structure and method of forming the film201910,374,093Method of fabricating a flexible substrate and the flexible substrate fabricated thereby201910,147,900Method for manufacturing integrated substrate for organic light emitting diode, organic light emitting diode, and method for manufacturing organic light emitting diode201810,134,992Method for manufacturing electronic element including transparent conductive structure201810,121,990Organic light emitting devices and methods of fabricating the same20189,806,262'Method of manufacturing organic light emitting device'20179,799,856'Method of manufacturing organic light emitting diode with light-scattering layer'20179,799,852'Organic light emitting diode and method of fabricating the same'20179,678,250'Method of fabricating light functional substrate and organic light emitting diode having the same'20179,605,347'Method of forming a film having a surface structure of random wrinkles'20179,577,223'Organic light emitting diode with light-scattering layer with nano structure and air gaps'20179,356,261'Light emitting device with light path changing structure'20169,349,992'Methods of forming an organic scattering layer, an organic light emitting diode with the scattering layer, and a method of fabricating the organic light emitting'20169,343,486'Light emitting display device having auxiliary wire buried in substrate and method of manufacturing the same'20169,147,856'Organic light emitting device'20159,123,914'Electronic device and method of fabricating the same'20159,040,963'Organic light emitting device'20158,994,059'Organic light emitting diodes and methods of manufacturing the same'20158,975,649'Light emitting device with light path changing structure'20158,901,548'Dual-mode pixel including emissive and reflective devices and dual-mode display with the same'20148,871,563'Method of manufacturing organic-light-emitting-diode flat-panel light-source apparatus'20148,860,050'Hybrid light emitting device having a capping layer'20148,828,760'Method of fabricating organic light emitting device'20148,816,584'Light source apparatus'20148,710,496'Organic light emitting diode device and fabrication method thereof'20148,685,768'Organic light emitting diodes and methods of manufacturing the same'20148,476,106'Transparent nonvolatile memory thin film transistor and method of manufacturing the same'20138,421,064'Organic-light-emitting-diode flat-panel light-source apparatus'20138,408,960'Method of fabricating an organic light emitting diode using phase separation'20138,314,542'Organic electroluminescence device'20128,242,677'Combination organic light emitting diode panel and grounding unit'20128,198,625'Transparent nonvolatile memory thin film transistor and method of manufacturing the same'20128,084,295'Thin film transistor having n-type and p-type CIS thin films and method of manufacturing the same'20118,017,045'Composition for oxide semiconductor thin film and field effect transistor using the composition'20117,851,791'Thin film transistor having N-type and P-type CIS thin films and method of manufacturing the same'20107,612,339'Optoconductive compound and method of producing the same'20097,582,945'Photo thin film transistor having photoconductive layer including chalcogenide element and unit cell of image sensor using the same'20097,384,567'Method of manufacturing thin film magnetic head'20087,242,129'Piezoelectric and electrostatic microelectromechanical system actuator'20076,916,753'Tm3+-doped silicate glass and the use thereof'20056,853,480'Optical amplifier'20056,845,185'High-speed wavelength channel selector and high-speed photonic integrated circuit-type space and wavelength multiplexed channel selector employing the same'20056,785,449'Multimode interference coupler, multi-layer optical planar waveguide using the same and method of manufacturing the same'20046,769,274'Method of manufacturing a planar waveguide using ion exchange method'20046,654,520'Periodically poled optical fiber and method for the manufacture thereof'20036,625,361'Method for forming two thin conductive films isolated electrically from each other on a fiber'20036,549,330'Optical gain fiber doped with rare earth ions'20036,413,891'Glass material suitable for a waveguide of an optical amplifier'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2016Patents assigned to KOREA ELECTRONICS TELECOMM (37)· patent assignee history
2002–2005Based in Taejon, KR· patent location history
2003–2005Based in Daejon, KR· patent location history
2004–2005Based in Kumi-shi, KR· patent location history
2007–2020Based in Daejeon, KR· patent location history
2012–2015Patents assigned to CHU HYE YONG (6)· patent assignee history
2012–2015Patents assigned to LEE JEONG IK (6)· patent assignee history
2012–2015Patents assigned to SHIN JIN WOOK (6)· patent assignee history
2017–2020Patents assigned to ELECTRONICS & TELECOMMUNICATIONS RES INST (13)· patent assignee history
2021Based in Seoul, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOREA ELECTRONICS TELECOMM372002–2016
ELECTRONICS & TELECOMMUNICATIONS RES INST132017–2020
CHU HYE YONG62012–2015
LEE JEONG IK62012–2015
SHIN JIN WOOK62012–2015
Locations
LocationPatentsSpan
Daejeon, KR402007–2020
Taejon, KR42002–2005
Kumi-shi, KR32004–2005
Daejon, KR22003–2005
Seoul, KR12021