Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9720192 | Interface for transmitting high-speed signal and optical module including the same | Jyung Chan Lee, Eun-Gu Lee, Sang Soo Lee | 2017-08-01 |
| 9532441 | Board assembly for transmitting high-speed signal and method of manufacturing the same | Jyung Chan Lee, Eun-Gu Lee, Sang Soo Lee | 2016-12-27 |
| 9231371 | Wavelength-tunable optical transmission apparatus | Jyung Chan Lee, Eun-Gu Lee, Eui Suk Jung, Sang Soo Lee | 2016-01-05 |
| 9112639 | Apparatus for transmitting/receiving variable-wavelength optical signal | Jyung Chan Lee, Eun-Gu Lee, Eui Suk Jung, Sang Soo Lee | 2015-08-18 |
| 9106335 | Automatic wavelength recognition apparatus and method | Eun-Gu Lee, Dong-min Seol, Eui Suk Jung, Sang Soo Lee, Jeong-Sik Cho | 2015-08-11 |
| 9100121 | Link setup method for wavelength division multiplexing wavelength passive optical network(WDM PON) system | Eun-Gu Lee, Eui Suk Jung, Jie Hyun Lee, Han Hyub Lee | 2015-08-04 |
| 9093811 | Multi channel transmitter optical sub-assembly | Eun-Gu Lee, Eui Suk Jung, Han Hyub Lee, Jyung Chan Lee, Sang Soo Lee +1 more | 2015-07-28 |
| 8837946 | Data transmission apparatus and method for use in separate-type base station | Eui Suk Jung, Sang Soo Lee | 2014-09-16 |
| 8818200 | Multiple star wavelength division multiplexing passive optical networks using a wavelength assignment method | Chang Hee Lee, Sang-Mook Lee | 2014-08-26 |
| 8687972 | Multiple star wavelength division multiplexing passive optical networks using a wavelength assignment method | Chang Hee Lee, Sang-Mook Lee | 2014-04-01 |
| 8442400 | Wavelength division multiplexed-passive optical network capable of high-speed transmission of an optical signal by using modulation format having high spectral efficiency | Chang Hee Lee, Ki-Man Choi, Jung-Hyung Moon | 2013-05-14 |
| 8180221 | Wavelength-division multiplexed passive optical network for reducing degradation in noise characteristic of wavelength-locked fabry-perot laser diodes | Chang Hee Lee, Kun-Youl Park | 2012-05-15 |
| 8078061 | Wavelength division multiplexed-passive optical network capable of high-speed transmission of an optical signal by using modulation format having high spectral efficiency | Chang Hee Lee, Ki-Man Choi, Jung-Hyung Moon | 2011-12-13 |
| 7920797 | Receiver having an apparatus for varying decision threshold level and an optical transmission system having the same | Chang Hee Lee | 2011-04-05 |
| 7773838 | Method and network architecture for upgrading legacy passive optical network to wavelength division multiplexing passive optical network based next-generation passive optical network | Chang Hee Lee, Ki-Man Choi, Jung-Hyung Moon, Hoon-Keun Lee | 2010-08-10 |
| 7369771 | Optical network terminator and optical network connection method using it | Chang Hee Lee, Kwang Pyo Hong, Jin-Serk Baik, Sung-Man Kim, Sang-Mook Lee | 2008-05-06 |