Issued Patents All Time
Showing 126–147 of 147 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7019132 | Porphyrin derivatives | Nam-Tae Woo, Min Suk Kang, Won Young Lee, Yong-Rok Kim, Dai-Woon Lee +2 more | 2006-03-28 |
| 6999653 | 4-port wavelength selective router | Hyun Deok Kim, Tae Won Oh, Shin Jeong Hun, Cho Yun Hee | 2006-02-14 |
| 6977731 | Method and apparatus for enhancing the resolving power of a tunable optical filter | Kwang-Uk Chu | 2005-12-20 |
| 6952308 | Multi-stage bidirectional optical amplifier | Hyun Deok Kim, Tae Won Oh, Shin Jeong Hun, Cho Yun Hee | 2005-10-04 |
| 6894830 | Bi-directional optical-amplifier module | Yun-Je Oh, Seong-Taek Hwang, Hyun Deok Kim, Jeong Hun Shin, Yunhee CHO | 2005-05-17 |
| 6863409 | Apparatus for generating parallel beam with high flux | Sang-Jin Cho, Young Jin Kim, Jeong S. Lee, Young Hyun Choi, Kwang Pyo Hong | 2005-03-08 |
| 6832017 | Bidirectional add/drop multiplexer and bidirectional add/drop amplifier module for band-split bidirectional networks | Hyun Deok Kim, Jeong Hun Shin, Tae Won Oh, Yun Hee Cho | 2004-12-14 |
| 6826327 | Tunable narrow band optical filter | Wayne V. Sorin, Steven L. Shepherd | 2004-11-30 |
| 6775058 | Wide band optical amplifier | Hyun Deok Kim, Jeong Hun Shin, Yun Hee Cho | 2004-08-10 |
| 6735391 | Automatic retrieval of wavelength-division multiplexed ring networks | Hyun Deok Kim, Jeong Hun Shin | 2004-05-11 |
| 6728026 | Dynamically tunable optical amplifier and fiber optic light source | Byoung Y. Kim, Seok-Hyun Yun, Hyo Sang Kim, Jin-Serk Baik, Kun-Youl Park +1 more | 2004-04-27 |
| 6671045 | Apparatus and method for measuring optical signal-to-noise ratio | Sang Yung Shin, Kwang-Uk Chu | 2003-12-30 |
| 6597482 | Multiplexing/demultiplexing apparatus for wavelength division multiplexed system and wavelength division multiplexed passive optical subscriber networks using the same apparatus | Yun Chur Chung, Dae-Kwang Jung, Seung Kyun Shin | 2003-07-22 |
| 6559984 | Apparatus for monitoring optical path based on the identification of optical cross-connect input ports | Sang Yung Shin, Chu Kwang Uk | 2003-05-06 |
| 6538784 | Multicast-capable optical cross-connect with layered modularity | Yun Chur Chung, Hyun Deok Kim | 2003-03-25 |
| 6529656 | Bi-Directional add/drop multiplexer and bidirectional add/drop amplifier module for wavelength interleaved bidirectional networks | Hyun Deok Kim, Jeong Hun Shin, Tae Won Oh, Yun Hee Cho | 2003-03-04 |
| 6501573 | Apparatus and method for monitoring the qualities of optical signal using clock amplitude | Yun Chur Chung, Sang-Young Shin, Jong-Nam Lee | 2002-12-31 |
| 6396574 | Apparatus for measuring the wavelength, optical power and optical signal-to-noise ratio of each optical signal in wavelength-division multiplexing optical communication | Sang Yung Shin, Kwang-Uk Chu | 2002-05-28 |
| 6362911 | Burst mode optical receiver using two amplifiers having different bandwidth | Jang Won Park, Jong Uk Chae, Jong Won Kim | 2002-03-26 |
| 6188509 | Simple bidirectional add/drop amplifier module based on a single multiplexer | Yun Chur Chung, Chul Han Kim | 2001-02-13 |
| 6129556 | Computer system using a card having an expansion edge | Seong-Kee Sihn | 2000-10-10 |
| 5502366 | Battery pack coupler for camcorder with sliding lever | — | 1996-03-26 |