Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11382698 | Surgical navigation system | Jun Young Kim, Min Kyu JE, Anna SEO, Shin Yoon KIM, Hyun Mun Kim | 2022-07-12 |
| 8798478 | Low-cost WDM source with an incoherent light injected fabry-perot laser diode | Chang Hee Lee | 2014-08-05 |
| 8326151 | Low-cost WDM source with an incoherent light injected Fabry-Perot laser diode | Chang Hee Lee | 2012-12-04 |
| 7903979 | Low-cost WDM source with an incoherent light injected Fabry-Perot laser diode | Chang Hee Lee | 2011-03-08 |
| 7613398 | Wavelength-tunable light source and wavelength-division multiplexed transmission system using the source | Chang Hee Lee | 2009-11-03 |
| 7349631 | Wavelength-tunable light source and wavelength-division multiplexed transmission system using the source | Chang Hee Lee | 2008-03-25 |
| 7327957 | Wavelength-tunable light source and wavelength-division multiplexed transmission system using the source | Chang Hee Lee | 2008-02-05 |
| 7106974 | Low-cost WDM source with an incoherent light injected fabry-perot laser diode | Chang Hee Lee | 2006-09-12 |
| 6999653 | 4-port wavelength selective router | Chang Hee Lee, Tae Won Oh, Shin Jeong Hun, Cho Yun Hee | 2006-02-14 |
| 6952308 | Multi-stage bidirectional optical amplifier | Chang Hee Lee, Tae Won Oh, Shin Jeong Hun, Cho Yun Hee | 2005-10-04 |
| 6894830 | Bi-directional optical-amplifier module | Chang Hee Lee, Yun-Je Oh, Seong-Taek Hwang, Jeong Hun Shin, Yunhee CHO | 2005-05-17 |
| 6832017 | Bidirectional add/drop multiplexer and bidirectional add/drop amplifier module for band-split bidirectional networks | Chang Hee Lee, Jeong Hun Shin, Tae Won Oh, Yun Hee Cho | 2004-12-14 |
| 6775058 | Wide band optical amplifier | Chang Hee Lee, Jeong Hun Shin, Yun Hee Cho | 2004-08-10 |
| 6735391 | Automatic retrieval of wavelength-division multiplexed ring networks | Chang Hee Lee, Jeong Hun Shin | 2004-05-11 |
| 6538784 | Multicast-capable optical cross-connect with layered modularity | Chang Hee Lee, Yun Chur Chung | 2003-03-25 |
| 6529656 | Bi-Directional add/drop multiplexer and bidirectional add/drop amplifier module for wavelength interleaved bidirectional networks | Chang Hee Lee, Jeong Hun Shin, Tae Won Oh, Yun Hee Cho | 2003-03-04 |