Inventor · disambiguated record
Kwang-Uk Chu
Also filed as: CHU KWANG-UK
16 granted patents·5 pending applications·209 citations·filing 1994–2024
93Inventor score
Files withKOREA ELECTRONICS TELECOMM7NOVERA OPTICS INC4CHU KWANG UK3ELECTRONICS & TELECOMMUNICATIONS RES INST3KOREA ADVANCED INST SCI & TECH2
Top patents by PatentIndex Score
21 records- 0191US6396574B1Apparatus for measuring the wavelength, optical power and optical signal-to-noise ratio of each optical signal in wavelength-division multiplexing optical communicationKOREA ADVANCED INST SCIENCE AN·Filed 2000·Granted May 28, 2002·61 cites·18 claims
- 0286US7171123B2Method for decreasing and compensating the transmission loss at a wavelength-division-multiplexed passive optical network and an apparatus thereforKOREA ADVANCED INST SCI & TECH·Filed 2003·Granted Jan 30, 2007·35 cites·8 claims
- 0382US7593647B2Apparatuses and methods for automatic wavelength locking of an optical transmitter to the wavelength of an injected incoherent light signalNOVERA OPTICS INC·Filed 2003·Granted Sep 22, 2009·24 cites·21 claims
- 0478US6671045B1Apparatus and method for measuring optical signal-to-noise ratioKOREA ADVANCED INST SCI & TECH·Filed 2000·Granted Dec 30, 2003·21 cites·10 claims
- 0577US7469102B2Wavelength-division-multiplexing passive optical network utilizing fiber fault detectors and/or wavelength tracking componentsNOVERA OPTICS INC·Filed 2003·Granted Dec 23, 2008·13 cites·31 claims
- 0673US7920822B2Device for preventing eavesdropping through speakerKOREA ELECTRONICS TELECOMM·Filed 2008·Granted Apr 5, 2011·5 cites·9 claims
- 0769US8994471B2Stacked diode limiterKOREA ELECTRONICS TELECOMM·Filed 2014·Granted Mar 31, 2015·2 cites·13 claims
- 0868US8987610B2Vent structure for electromagnetic shieldingKIM UI-JUNG·Filed 2012·Granted Mar 24, 2015·3 cites·3 claims
- 0960US8681467B2Surge protection apparatus and method using the sameCHU KWANG-UK·Filed 2011·Granted Mar 25, 2014·2 cites·9 claims
- 1059US5651080AOptical exchanging apparatus using mode conversion and mode selection in an optical waveguideKOREA ELECTRONICS TELECOMM·Filed 1996·Granted Jul 22, 1997·23 cites·2 claims
- 1156US8693710B2Apparatus for preventing leakage of a weak signal from a speakerCHU KWANG UK·Filed 2009·Granted Apr 8, 2014·1 cites·5 claims
- 1255US2025298066A1Apparatus and method for extracting noise source impedance of electronic deviceELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2024·Application pending·0 cites
- 1353US6977731B1Method and apparatus for enhancing the resolving power of a tunable optical filterNOVERA OPTICS INC·Filed 2002·Granted Dec 20, 2005·4 cites·16 claims
- 1452US7646978B2Methods and apparatuses to provide a wavelength division-multiplexing passive optical network based on wavelength-locked wavelength-division-multiplexed light sourcesNOVERA OPTICS INC·Filed 2003·Granted Jan 12, 2010·3 cites·36 claims
- 1552US2025202226A1Emp power filterELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2024·Application pending·0 cites
- 1641US5574586ASimultaneous optical compression and decompression apparatusKOREA ELECTRONICS TELECOMM·Filed 1994·Granted Nov 12, 1996·12 cites·2 claims
- 1740US9190722B2Antenna line protection deviceKOREA ELECTRONICS TELECOMM·Filed 2014·Granted Nov 17, 2015·0 cites·13 claims
- 1840US2009267458A1Apparatus for preventing eavesdropping using piezoelectric filmCHU KWANG UK·Filed 2008·Application pending·0 cites
- 1939US9448270B2Pulse injection apparatusELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2014·Granted Sep 20, 2016·0 cites·7 claims
- 2039US2015004833A1Coaxial cable and connectorKOREA ELECTRONICS TELECOMM·Filed 2014·Application pending·0 cites
- 2139US2014328567A1Waveguide feedthrough for broadband electromagnetic wave attenuationKOREA ELECTRONICS TELECOMM·Filed 2014·Application pending·0 cites
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