Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12288829 | Transparent photovoltaic cell | — | 2025-04-29 |
| 9276403 | Solar cell having fan structure and application system using the same | Dong Suk Jun, In-Kyu You | 2016-03-01 |
| 8647916 | Method for manufacturing solar cell using a single target | Kyung-Hyun Kim, Hae-Won Choi, Dae Hyung Cho, Yong-Duck CHUNG | 2014-02-11 |
| 8335200 | Device and method for separation/conversion of multiband signal | Yong-Duck CHUNG, Kwang-Seong Choi, Jae-Sik Sim, Yong-Hwan Kwon, Sung Bok Kim | 2012-12-18 |
| 7583869 | Electroabsorption duplexer | Young Shik Kang, Sung Bock Kim, Yong-Duck CHUNG, Kwang-Seong Choi | 2009-09-01 |
| 7553092 | Optical module and optical module package | Kwang-Seong Choi, Yong-Duck CHUNG, Young Shik Kang, Dong Suk Jun, Jong Tae Moon | 2009-06-30 |
| 7298933 | Optical module | Kwang-Seong Choi, Jong Hyun Lee, Yong-Duck CHUNG, Young Shik Kang, Jong Tae Moon | 2007-11-20 |
| 6985273 | Electro-absorption optical modulator having multiple quantum well | Young Shik Kang, Ji Youn LIM, Sung Bock Kim | 2006-01-10 |
| 6882676 | Fiber-grating semiconductor laser with tunability | Hyun Woo Song | 2005-04-19 |
| 6724799 | Wavelength tunable laser light source | Sang Wan Ryu | 2004-04-20 |
| 6594298 | Multi-wavelength semiconductor laser array and method for fabricating the same | Sang Wan Ryu | 2003-07-15 |
| 6392781 | High speed semiconductor optical modulator and fabricating method thereof | Chan-Yong Park, Kwang Eui Pyun | 2002-05-21 |
| 6034348 | Micro etching system using laser ablation | Seok Kil Han, Kwang Yong Kang | 2000-03-07 |
| 5942040 | Multi-target manipulator for pulsed laser deposition apparatus | Seok Kil Han, Kwang Yong Kang | 1999-08-24 |
| 5824953 | Coaxial connector for vacuum chamber for microwave and millimeter wave measurement | Seok Kil Han, Kwang Yong Kang | 1998-10-20 |