Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12413301 | Optical transceiver and method of optimizing optical transceiver | — | 2025-09-09 |
| 11899334 | Silicon photonics-based optical modulator | Sanghwa YOO, Sooyeon Kim, Heuk Park, Joon Ki LEE | 2024-02-13 |
| 11664903 | Apparatus and method for generating PAM-4 optical signal | — | 2023-05-30 |
| 11601201 | Optical transceiver based on planar lightwave circuit | — | 2023-03-07 |
| 11411656 | Impedance correcting method and apparatus, and impedance-corrected signal line for optical transceiver | Eun-Gu Lee | 2022-08-09 |
| 9755751 | Optical transceiver of flexible modulation format | Joon Young HUH, Jong Hyun Lee, Joon Ki LEE, Sae-Kyoung KANG | 2017-09-05 |
| 9720192 | Interface for transmitting high-speed signal and optical module including the same | Eun-Gu Lee, Sil-Gu Mun, Sang Soo Lee | 2017-08-01 |
| 9532441 | Board assembly for transmitting high-speed signal and method of manufacturing the same | Eun-Gu Lee, Sil-Gu Mun, Sang Soo Lee | 2016-12-27 |
| 9397778 | Tunable optical network unit for multi-wavelength passive optical network system and operating method thereof | Jie Hyun Lee, Heuk Park, Sang Soo Lee | 2016-07-19 |
| 9231371 | Wavelength-tunable optical transmission apparatus | Eun-Gu Lee, Sil-Gu Mun, Eui Suk Jung, Sang Soo Lee | 2016-01-05 |
| 9112639 | Apparatus for transmitting/receiving variable-wavelength optical signal | Eun-Gu Lee, Sil-Gu Mun, Eui Suk Jung, Sang Soo Lee | 2015-08-18 |
| 9093811 | Multi channel transmitter optical sub-assembly | Eun-Gu Lee, Eui Suk Jung, Sil-Gu Mun, Han Hyub Lee, Sang Soo Lee +1 more | 2015-07-28 |
| 8755696 | Method and apparatus for controlling an optical receiver having delay paths | — | 2014-06-17 |
| 8565620 | Apparatus for receiving optical signal and method of controlling phase offset for differential quadrature phase shift keying | Hwan Seok CHUNG, Sun Hyok Chang, Kwang Joon Kim | 2013-10-22 |
| 8355612 | Active alignment method for multi-channel optical transmitter and receiver, which has an optical signal generator with an optical multiplexer, which has an optical signal generator with an optical multiplexer | Sae-Kyoung KANG, Joon Ki LEE, Kwang Joon Kim | 2013-01-15 |
| 8014680 | Optical transceiver and method of controlling optical output jitter using the same | Joon Ki LEE, Kwangjoon Kim | 2011-09-06 |
| 7917040 | Method and apparatus for controlling wavelength tuning of optical source for optical communication | Moo Jung Chu, Kwang Joon Kim, Jun Ki Lee | 2011-03-29 |
| 7869478 | Apparatus and method for maintaining constant extinction ratio of laser diode | Joon Ki LEE, Kwangjoon Kim | 2011-01-11 |
| 7639677 | Optical transponder having switching function | Joon Ki LEE, Kwangjoon Kim | 2009-12-29 |
| 7471896 | Optical transponder and method for detecting and treating errors in optical channel sublayer of the optical transponder | Yun Hee Cho, Joon Ki LEE, Seung Il Myong, Kwangjoon Kim | 2008-12-30 |
| 7440700 | Apparatus for testing performance of optical transceiver | Joon Ki LEE, Hyun Jae Lee, Kwangjoon Kim | 2008-10-21 |
| 7366411 | System and method for operating optical transponder | Yun Hee Cho, Seung Il Myong, Yool Kwon | 2008-04-29 |
| 7313333 | Apparatus for controlling decision threshold voltage to optical receiver | Seung Il Myong, Joon Ki LEE, Kwang Joon Kim | 2007-12-25 |
| 7298978 | Method and apparatus for optimizing decision level of signal output from optical receiver | Seung Il Myong, Jin Soo Han, Je Soo Ko | 2007-11-20 |
| 7212741 | Method of optimizing output signal of optical receiver using FEC and optical receiving system using the method | Seung Il Myong, Je Soo Ko | 2007-05-01 |