Patent | Date |
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High-output power quarter-wavelength shifted distributed feedback laser diode Grant 11,018,475 - Kim , et al. May 25, 2 | 2021-05-25 |
Tunable semiconductor laser and operation method thereof Grant 10,985,530 - Kwon , et al. April 20, 2 | 2021-04-20 |
High-output Power Quarter-wavelength Shifted Distributed Feedback Laser Diode App 20200212652 - KIM; Namje ;   et al. | 2020-07-02 |
Tunable Semiconductor Laser And Operation Method Thereof App 20200212653 - KWON; O-Kyun ;   et al. | 2020-07-02 |
Optical Signal Generating Apparatus And Operating Method Thereof App 20190165863 - KWON; O-Kyun ;   et al. | 2019-05-30 |
Optical signal generating apparatus and operating method thereof Grant 10,291,327 - Kwon , et al. | 2019-05-14 |
Beating signal monitoring module, terahertz wave generation device and optical signal monitoring device including the beating signal monitoring module Grant 9,410,851 - Kim , et al. August 9, 2 | 2016-08-09 |
Apparatus and method for contactless thickness measurement Grant 9,228,826 - Ryu , et al. January 5, 2 | 2016-01-05 |
Apparatus for generating/detecting terahertz wave using graphene and manufacturing method of the same Grant 9,130,082 - Park , et al. September 8, 2 | 2015-09-08 |
Terahertz wave generating module and terahertz wave detecting device including the same Grant 9,035,251 - Han , et al. May 19, 2 | 2015-05-19 |
THz-wave generation /detection modules and devices including the same Grant 8,853,633 - Han , et al. October 7, 2 | 2014-10-07 |
Photo detector and optical device Grant 8,772,725 - Park , et al. July 8, 2 | 2014-07-08 |
Dual mode semiconductor laser and terahertz wave apparatus using the same Grant 8,774,243 - Kim , et al. July 8, 2 | 2014-07-08 |
Apparatus For Generating/detecting Terahertz Wave Using Graphene And Manufacturing Method Of The Same App 20140183441 - PARK; Kyung Hyun ;   et al. | 2014-07-03 |
Beating Signal Monitoring Module, Terahertz Wave Generation Device And Optical Signal Monitoring Device Including The Beating Signal Monitoring Module App 20140175306 - KIM; Namje ;   et al. | 2014-06-26 |
Terahertz Wave Generating Module And Terahertz Wave Detecting Device Including The Same App 20140166881 - HAN; Sang-Pil ;   et al. | 2014-06-19 |
Apparatus And Method For Contactless Thickness Measurement App 20140061475 - RYU; Han-Cheol ;   et al. | 2014-03-06 |
Terahertz wave generator and method of generating terahertz wave Grant 8,610,094 - Kim , et al. December 17, 2 | 2013-12-17 |
Terahertz wave generator Grant 8,599,893 - Kim , et al. December 3, 2 | 2013-12-03 |
Photo Detector And Optical Device App 20130299701 - Park; Jeong Woo ;   et al. | 2013-11-14 |
Terahertz Wave Generator And Method Of Generating Terahertz Wave App 20130161541 - KIM; Namje ;   et al. | 2013-06-27 |
Laser device Grant 8,213,478 - Park , et al. July 3, 2 | 2012-07-03 |
THz-WAVE GENERATION /DETECTION MODULES AND DEVICES INCLUDING THE SAME App 20120153161 - Han; Sang-Pil ;   et al. | 2012-06-21 |
Terahertz Wave Generator App 20120147907 - KIM; Namje ;   et al. | 2012-06-14 |
Multiple distributed feedback laser devices Grant 8,149,890 - Park , et al. April 3, 2 | 2012-04-03 |
Dual Mode Semiconductor Laser And Terahertz Wave Apparatus Using The Same App 20120051386 - KIM; Namje ;   et al. | 2012-03-01 |
Apparatus for generating/detecting THz wave and method of manufacturing the same Grant 8,039,802 - Shin , et al. October 18, 2 | 2011-10-18 |
Laser Device App 20110150018 - PARK; Kyung Hyun ;   et al. | 2011-06-23 |
Photomixer Module And Terahertz Wave Generation Method Thereof App 20110149368 - KIM; Namje ;   et al. | 2011-06-23 |
Fiber Laser App 20110142082 - JEON; Min Yong ;   et al. | 2011-06-16 |
Multiple Distributed Feedback Laser Devices App 20110090932 - PARK; Kyung Hyun ;   et al. | 2011-04-21 |
Apparatus For Generating/detecting Thz Wave And Method Of Manufacturing The Same App 20110068270 - SHIN; Jaeheon ;   et al. | 2011-03-24 |
Multiple distributed feedback laser devices Grant 7,864,824 - Park , et al. January 4, 2 | 2011-01-04 |
Multiple Distributed Feedback Laser Devices App 20100142571 - PARK; Kyung Hyun ;   et al. | 2010-06-10 |