Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7369774 | Optical frequency controlling device for ultra-dense wavelength-division-multiplexed optical channels | Jae Seung Lee | 2008-05-06 |
| 6054450 | Hair-care cosmetic compositions having dandruff formation-suppressing effect | Moon Sam Shin, Sang Cho Choi, Yong Duk Kwak, Seong Hwan Seo, Han Il Jeong | 2000-04-25 |
| 5886031 | Hair-care cosmetic compositions having dandruff formation-suppressing effect | Moon Sam Shin, Sang Cho Choi, Yong Duk Kwak, Seong Hwan Seo, Han Il Jeong | 1999-03-23 |