Inventor · disambiguated record
Chun Ju Youn
Also filed as: YOUN CHUN-JU
26 granted patents·13 pending applications·87 citations·filing 2003–2024
94Inventor score
Files withELECTRONICS & TELECOMMUNICATIONS RES INST12SAMSUNG ELECTRONICS CO LTD8YOUN CHUN-JU7CHOE JOONG-SEON4KOREA ELECTRONICS TELECOMM4
Top patents by PatentIndex Score
39 records- 0189US8929731B2Apparatus for measuring performance of coherent optical receiverKOREA ELECTRONICS TELECOMM·Filed 2012·Granted Jan 6, 2015·11 cites·10 claims
- 0286US9710231B2Multiple output quantum random number generatorELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Jul 18, 2017·7 cites·11 claims
- 0384US8693459B2Polarization division multiplexed optical orthogonal frequency division multiplexing transmitter and receiverYOUN CHUN JU·Filed 2010·Granted Apr 8, 2014·9 cites·9 claims
- 0481US8116636B2Transceiver and method for high-speed auto-compensating quantum cryptographyYOUN CHUN JU·Filed 2006·Granted Feb 14, 2012·11 cites·9 claims
- 0579US8477939B2Polarization-insensitive one-way quantum key distribution receiver, transmitter/receiver systemYOUN CHUN JU·Filed 2007·Granted Jul 2, 2013·10 cites·10 claims
- 0677US8521040B2Optical orthogonal frequency division multiplexing receiver and optical signal receiving method thereofYOUN CHUN JU·Filed 2010·Granted Aug 27, 2013·4 cites·3 claims
- 0776US7539415B2Optical packet communication system using labeling of wavelength-offset polarization-division multiplexingSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted May 26, 2009·6 cites·4 claims
- 0874US9893810B2Receiver optical moduleELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Feb 13, 2018·2 cites·14 claims
- 0974US9270381B2Method and apparatus for transmitting and receiving coherent optical OFDMYOUN CHUN JU·Filed 2011·Granted Feb 23, 2016·4 cites·11 claims
- 1069US8265279B2Polarization coding quantum cryptography systemYOUN CHUN-JU·Filed 2009·Granted Sep 11, 2012·4 cites·17 claims
- 1166US12375183B2Beam tracking module, free-space quantum communication device, and free-space optical communication deviceELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2023·Granted Jul 29, 2025·0 cites·20 claims
- 1266US12228777B2Optical alignment deviceELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2022·Granted Feb 18, 2025·0 cites·14 claims
- 1364US7769293B2Apparatus and method for label transmission in optical packet data switching networkSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Aug 3, 2010·2 cites·7 claims
- 1462US7257324B2Apparatus for monitoring optical signal-to-noise ratioKOREA ADVANCED INSTITUE OF SCI·Filed 2003·Granted Aug 14, 2007·7 cites·8 claims
- 1561US7933520B2High-speed wavelength selectable optical source and method thereofSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Apr 26, 2011·2 cites·12 claims
- 1661US7844185B2Method and apparatus for suppressing optical surge in optical burst switching networkSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Nov 30, 2010·2 cites·13 claims
- 1760US2025164710A1Optical alignment device and optical alignment methodELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2024·Application pending·0 cites
- 1859US7095551B2Wavelength converter for generating wavelength tunable laser optical source in itselfSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Aug 22, 2006·1 cites·10 claims
- 1959US2006239683A1Wavelength-division-multiplexed passive optical networkSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 2057US8068484B2Method for void-filling and transmitting burst data over optical burst switching networkYOUN CHUN-JU·Filed 2005·Granted Nov 29, 2011·1 cites·5 claims
- 2157US7050658B2Method and apparatus for reducing system deterioration caused by polarization effectsKOREA ADVANCED INST SCI & TECH·Filed 2004·Granted May 23, 2006·4 cites·9 claims
- 2257US2024168307A1Device for generating and splitting polarized lightELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2023·Application pending·0 cites
- 2354US12388630B2Quantum key distribution system and operation method thereofELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2022·Granted Aug 12, 2025·0 cites·15 claims
- 2451US2013308949A1Optical orthogonal frequency division multiple multiplexing receiver and optical signal receiving method thereofKOREA ELECTRONICS TELECOMM·Filed 2013·Application pending·0 cites
- 2548US11522618B2Quantum information transmitter, quantum communication system including the same, and operating method of quantum information transmitterELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2021·Granted Dec 6, 2022·0 cites·17 claims
- 2648US9166680B2Apparatus and method for measuring IQ imbalance for optical receiverKOREA ELECTRONICS TELECOMM·Filed 2013·Granted Oct 20, 2015·0 cites·14 claims
- 2748US2022066245A1Light modulation deviceELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2021·Application pending·0 cites
- 2847US9031421B2Measuring device and method of measuring signal transmission time difference thereofKOREA ELECTRONICS TELECOMM·Filed 2013·Granted May 12, 2015·0 cites·10 claims
- 2944US11860376B2Polarization decomposition deviceELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2019·Granted Jan 2, 2024·0 cites·22 claims
- 3044US2006165418A1Optical signal switching network using method of sub-harmonic embedded clock transmissionSAMSUNG ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
- 3143US2013156362A1Core and optical waveguideKIM DUK JUN·Filed 2012·Application pending·0 cites
- 3242US11770245B2Quantum key distribution system and operation method thereofELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2021·Granted Sep 26, 2023·0 cites·19 claims
- 3340US8272789B2Adapter assembly and method for compensating optical fibers for length differenceCHOE JOONG-SEON·Filed 2010·Granted Sep 25, 2012·0 cites·16 claims
- 3439US2006239682A1Time and wavelength division multiplexed passive optical networkSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 3537US2012132792A1Optical module comprising optical hybrid using metal optical waveguide and photo detectorCHOE JOONG-SEON·Filed 2011·Application pending·0 cites
- 3637US2019162986A1Polarization splitting and combining apparatusELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Application pending·0 cites
- 3736US2011064422A1Polarization splitter, optical hybrid and optical receiver including the sameELECTRONICS AND ELECOMM RES INST·Filed 2010·Application pending·0 cites
- 3836US2013156394A1Optical communication module and method of manufacturing the sameCHOE JOONG-SEON·Filed 2012·Application pending·0 cites
- 3935US2012114293A1Optical waveguide structure having angled mirror and lensCHOE JOONG-SEON·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →