YOUN; Chun Ju

Patent Applications and Registrations

Patent applications and USPTO patent grants for YOUN; Chun Ju.The latest application filed is for "quantum key distribution system and operation method thereof".

Company Profile

2.24.36

YOUN; Chun Ju - Daejeon KR
Youn; Chun-Ju - Daejon KR
Youn; Chun-ju - Yongin-si KR
Youn; Chun Ju - Daejeon-city KR
Youn; Chun Ju - Gyeonggi-do KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Quantum Key Distribution System And Operation Method Thereof App 20220141008 - LIM; Kyongchun ; et al.	2022-05-05
Light Modulation Device App 20220066245 - KIM; Kap-Joong ; et al.	2022-03-03
Quantum Information Transmitter, Quantum Communication System Including The Same, And Operating Method Of Quantum Information Transmitter App 20210306077 - LIM; Kyongchun ; et al.	2021-09-30
Polarization Decomposition Device App 20190353918 - KIM; Kap-Joong ; et al.	2019-11-21
Polarization Splitting And Combining Apparatus App 20190162986 - Choe; Joong-Seon ; et al.	2019-05-30
Receiver optical module Grant 9,893,810 - Lee , et al. February 13, 2	2018-02-13
Multiple output quantum random number generator Grant 9,710,231 - Youn , et al. July 18, 2	2017-07-18
Receiver Optical Module App 20160336368 - LEE; Seo Young ; et al.	2016-11-17
Multiple Output Quantum Random Number Generator App 20160335054 - YOUN; Chun Ju ; et al.	2016-11-17
Method and apparatus for transmitting and receiving coherent optical OFDM Grant 9,270,381 - Youn , et al. February 23, 2	2016-02-23
Apparatus and method for measuring IQ imbalance for optical receiver Grant 9,166,680 - Youn , et al. October 20, 2	2015-10-20
Measuring device and method of measuring signal transmission time difference thereof Grant 9,031,421 - Choe , et al. May 12, 2	2015-05-12
Apparatus for measuring performance of coherent optical receiver Grant 8,929,731 - Youn , et al. January 6, 2	2015-01-06
Measuring Device And Method Of Measuring Signal Transmission Time Difference Thereof App 20140205280 - CHOE; Joong-Seon ; et al.	2014-07-24
Apparatus And Method For Measuring Iq Imbalance For Optical Receiver App 20140169786 - YOUN; Chun Ju ; et al.	2014-06-19
Polarization division multiplexed optical orthogonal frequency division multiplexing transmitter and receiver Grant 8,693,459 - Youn , et al. April 8, 2	2014-04-08
Optical Orthogonal Frequency Division Multiple Multiplexing Receiver And Optical Signal Receiving Method Thereof App 20130308949 - YOUN; Chun Ju ; et al.	2013-11-21
Optical orthogonal frequency division multiplexing receiver and optical signal receiving method thereof Grant 8,521,040 - Youn , et al. August 27, 2	2013-08-27
Polarization-insensitive one-way quantum key distribution receiver, transmitter/receiver system Grant 8,477,939 - Youn , et al. July 2, 2	2013-07-02
Optical Communication Module And Method Of Manufacturing The Same App 20130156394 - CHOE; Joong-Seon ; et al.	2013-06-20
Apparatus For Measuring Performance Of Coherent Optical Receiver App 20130156424 - YOUN; Chun Ju ; et al.	2013-06-20
Core And Optical Waveguide App 20130156362 - KIM; Duk Jun ; et al.	2013-06-20
Adapter assembly and method for compensating optical fibers for length difference Grant 8,272,789 - Choe , et al. September 25, 2	2012-09-25
Polarization coding quantum cryptography system Grant 8,265,279 - Youn , et al. September 11, 2	2012-09-11
Method And Apparatus For Transmitting And Receiving Coherent Optical Ofdm App 20120155887 - YOUN; Chun Ju ; et al.	2012-06-21
Optical Module Comprising Optical Hybrid Using Metal Optical Waveguide And Photo Detector App 20120132792 - Choe; Joong-Seon ; et al.	2012-05-31
Optical Waveguide Structure Having Angled Mirror And Lens App 20120114293 - Choe; Joong-Seon ; et al.	2012-05-10
Transceiver and method for high-speed auto-compensating quantum cryptography Grant 8,116,636 - Youn , et al. February 14, 2	2012-02-14
Method for void-filling and transmitting burst data over optical burst switching network Grant 8,068,484 - Youn , et al. November 29, 2	2011-11-29
Adapter Assembly And Method For Compensating Optical Fibers For Length Difference App 20110142398 - Choe; Joong-Seon ; et al.	2011-06-16
Optical Orthogonal Frequency Division Multiplexing Receiver And Optical Signal Receiving Method Thereof App 20110135319 - YOUN; Chun Ju ; et al.	2011-06-09
Polarization Division Multiplexed Optical Orthogonal Frequency Division Multiplexing Transmitter And Receiver App 20110096855 - YOUN; Chun Ju ; et al.	2011-04-28
High-speed wavelength selectable optical source and method thereof Grant 7,933,520 - Youn , et al. April 26, 2	2011-04-26
Polarization Splitter, Optical Hybrid And Optical Receiver Including The Same App 20110064422 - Kim; Jong-Hoi ; et al.	2011-03-17
Method and apparatus for suppressing optical surge in optical burst switching network Grant 7,844,185 - Park , et al. November 30, 2	2010-11-30
Apparatus and method for label transmission in optical packet data switching network Grant 7,769,293 - Park , et al. August 3, 2	2010-08-03
Polarization Coding Quantum Cryptography System App 20100158252 - Youn; Chun-Ju ; et al.	2010-06-24
Polarization-insensitive One-way Quantum Key Distribution Receiver, Transmitter/receiver System App 20100002881 - Youn; Chun Ju ; et al.	2010-01-07
Optical packet communication system using labeling of wavelength-offset polarization-division multiplexing Grant 7,539,415 - Park , et al. May 26, 2	2009-05-26
Transceiver and Method for High-Speed Auto-Compensating Quantum Cryptography App 20080260393 - Youn; Chun Ju ; et al.	2008-10-23
Apparatus for monitoring optical signal-to-noise ratio Grant 7,257,324 - Chung , et al. August 14, 2	2007-08-14
Time and wavelength division multiplexed passive optical network App 20060239682 - Park; Keun-joo ; et al.	2006-10-26
Wavelength-division-multiplexed passive optical network App 20060239683 - Park; Keun-joo ; et al.	2006-10-26
Wavelength converter for generating wavelength tunable laser optical source in itself Grant 7,095,551 - Seo , et al. August 22, 2	2006-08-22
Optical signal switching network using method of sub-harmonic embedded clock transmission App 20060165418 - Park; Keun-joo ; et al.	2006-07-27
Method for void-filling and transmitting burst data over optical burst switching network App 20060140184 - Youn; Chun-ju ; et al.	2006-06-29
High-speed wavelength selectable optical source and method thereof App 20060140628 - Youn; Chun-ju ; et al.	2006-06-29
Wavelength Converter For Generating Wavelength Tunable Laser Optical Source In Itself App 20060119929 - Seo; Young-kwang ; et al.	2006-06-08
Method and apparatus for reducing system deterioration caused by polarization effects Grant 7,050,658 - Chung , et al. May 23, 2	2006-05-23
Optical packet communication system using labeling of wavelength-offset polarization-division multiplexing App 20060093358 - Park; Keun-joo ; et al.	2006-05-04
Apparatus and method for label transmission in optical packet data switching network App 20060093355 - Park; Keun-joo ; et al.	2006-05-04
Method and apparatus for suppressing optical surge in optical burst switching network App 20060093357 - Park; Keun-joo ; et al.	2006-05-04
Method and apparatus for reducing system deterioration caused by polarization effects App 20040202396 - Chung, Yun Chur ; et al.	2004-10-14
Apparatus for monitoring optical signal-to-noise ratio App 20040126108 - Chung, Yun Chur ; et al.	2004-07-01

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