Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9954142 | Material layer stack, light emitting element, light emitting package, and method of fabricating light emitting element | Keon Hun Lee, Suk-ho Yoon, Jeong-wook Lee, Do-Young Rhee, Kee Won LEE +2 more | 2018-04-24 |
| 9748453 | Semiconductor light emitting device having convex portion made with different materials | Jong Hak Kim, Tan Sakong, Jeong-wook Lee, Jin Young Lim, Byoung-kyun Kim | 2017-08-29 |
| 9490391 | Semiconductor light emitting device | Jong Hyun Lee, Min Hwan Kim, Ji-Heon Oh, Heon Ho Lee, Ho Chul Lee +1 more | 2016-11-08 |
| 9337391 | Semiconductor light emitting device, light emitting device package comprising the same, and lighting device comprising the same | Jai Won Jean, Min Hwan Kim, Jong Hyun Lee, Heon Ho Lee, Ho Chul Lee +1 more | 2016-05-10 |
| 9318647 | Method of manufacturing semiconductor light emitting device | Bum Joon Kim, Seung Woo Choi, Sung Tae Kim, Young Min Park, Sung Pyo LEE | 2016-04-19 |
| 9171997 | Semiconductor light emitting device | Sang Jo KIM, Sung Tae Kim, Young Sun Kim, Seong Ju Park, Suk-ho Yoon +1 more | 2015-10-27 |
| 7813388 | Self-pulsating laser diode | Kyung Hyun Park, Hyun Sung Ko, Young Ahn Leem, Min Yong Jeon, Sung Bock Kim | 2010-10-12 |
| 7720128 | Laser diode generating passive mode and method of creating optical pulse using the same diode | Young Ahn Leem, Dong Churl Kim, Kyung Hyun Park | 2010-05-18 |
| 7489873 | Optical signal retiming, reshaping, and reamplifying (3R) regeneration system having monolithically integrated Mach Zehnder interferometer and self-pulsating laser diode | Young Ahn Leem, Dae-Su Yee, Dong Churl Kim, Kyung Hyun Park | 2009-02-10 |
| 7356263 | Signal processor for converting signal | Dong Churl Kim, Dae-Su Yee, Young Ahn Leem, Kyung Hyun Park | 2008-04-08 |
| 7310469 | Waveguide PIN photodiode having graded index distribution centering around optical absorption layer | Sahng Gi Park, Jeong Woo Park, Jae-Sik Sim, Yong Soon Baek | 2007-12-18 |
| 7283706 | Parabolic waveguide-type collimating lens with tunable external cavity laser diode provided with the same | Hyun-Soo Kim | 2007-10-16 |
| 7277222 | Apparatus and method for wavelength conversion and clock signal extraction using semiconductor optical amplifiers | Dong Churl Kim, Min Yong Jeon, Young Ahn Leem, Kyung Hyun Park, Sung Bock Kim | 2007-10-02 |
| 7206487 | Waveguide photodetector | Jeong Woo Park, Hyun Sung Ko, Yong Soon Baek | 2007-04-17 |
| 7174068 | Parabolic waveguide-type collimating lens and tunable external cavity laser diode provided with the same | Hyun-Soo Kim | 2007-02-06 |
| 7133194 | Wavelength tunable light source integrated with optical amplifier, beam steering unit, and concave diffraction grating | Oh Kee Kwon, Kang Ho Kim, Kwang Ryong Oh, Jong-Hoi Kim, Hyun-Soo Kim | 2006-11-07 |
| 7045374 | Method for manufacturing semiconductor optical amplifier having planar buried heterostructure | Dong Hun Lee, Ki-Soo Kim, Moon-Ho Park | 2006-05-16 |
| 6980345 | High speed optical signal processor including saturable absorber and gain-clamped optical amplifier | Hyun-Soo Kim, Jong-Hoi Kim, Kang Ho Kim, Oh Kee Kwon, Kwang Ryong Oh | 2005-12-27 |
| 6928098 | High frequency optical pulse source | Dong Churl Kim, Young Ahn Leem, Dae-Su Yee, Kyung-Hyun Pakr, Sung Bock Kim +1 more | 2005-08-09 |
| 6822591 | Logic element employing saturable absorber | Hyun-Soo Kim, Jong-Hoi Kim, Kang Ho Kim, Oh Kee Kwon, Kwang Ryong Oh | 2004-11-23 |