Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8672485 | Illuminating unit and display apparatus including the same | Kee-uk Jeon, Sung Tae Kim, Jeong-ho Nho, Won-Yong Lee, Kyoung-choul Jang +1 more | 2014-03-18 |
| 8521040 | Optical orthogonal frequency division multiplexing receiver and optical signal receiving method thereof | Chun Ju Youn, Yong-Hwan Kwon, Eun Soo Nam, Joong-Seon Choe, Kwang-Seong Choi | 2013-08-27 |
| 8272789 | Adapter assembly and method for compensating optical fibers for length difference | Joong-Seon Choe, Yong-Hwan Kwon, Chun Ju Youn, Kwang-Seong Choi, Eun Soo Nam | 2012-09-25 |
| 7828448 | Illumination unit and image projection apparatus employing the same | Won-Yong Lee, Young-chol Lee, Kye-hoon Lee | 2010-11-09 |
| 7782909 | Frequency-tunable terahertz light source device | Kwang Ryong Oh, Dong Churl Kim, Oh Kee Kwon, Ki-Soo Kim, Ki-Hong Yoon | 2010-08-24 |
| 7561603 | Integrated semiconductor light source | Oh Kee Kwon, Kwang Ryong Oh, Kang Ho Kim, Hyun-Soo Kim | 2009-07-14 |
| 7448758 | Illumination unit and projection type image display apparatus employing the same | Young-chol Lee, Kye-hoon Lee, Won-Yong Lee | 2008-11-11 |
| 7248415 | Optical deflector | Oh Kee Kwon, Kang Ho Kim, Hyun-Soo Kim, Kwang Ryong Oh | 2007-07-24 |
| 7212560 | Tunable external cavity laser diode using variable optical deflector | Kwang Ryong Oh, Oh Kee Kwon, Kang Ho Kim, Hyun-Soo Kim | 2007-05-01 |
| 7136553 | Tunable demultiplexer and tunable laser with optical deflector | Oh Kee Kwon, Kang Ho Kim, Hyun-Soo Kim, Kwang Ryong Oh | 2006-11-14 |
| 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, Eun Deok Sim, Hyun-Soo Kim | 2006-11-07 |
| 6980345 | High speed optical signal processor including saturable absorber and gain-clamped optical amplifier | Hyun-Soo Kim, Eun Deok Sim, Kang Ho Kim, Oh Kee Kwon, Kwang Ryong Oh | 2005-12-27 |
| 6856452 | Filter-free wavelength converter | Kwang Ryong Oh, Yong Soon Baek, Hyun-Soo Kim, Kang Ho Kim | 2005-02-15 |
| 6822591 | Logic element employing saturable absorber | Hyun-Soo Kim, Eun Deok Sim, Kang Ho Kim, Oh Kee Kwon, Kwang Ryong Oh | 2004-11-23 |
| 6639735 | Method for manufacturing an optical device | Kyung Hyun Park, Yong Soon Baek, Moon-Ho Park, Sung Bock Kim, Kwang Ryong Oh | 2003-10-28 |