Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822125 | Method for preparing dimethylether using a membrane reactor for separation and reaction | Kew-Ho Lee, Bongkuk Sea, Min Young Youn, Yoon Gyu Lee | 2004-11-23 |
| 6684016 | Optical fiber for wavelength division multiplexing optical transmission system using densely spaced optical channels | Dae Weon Kim, Kwon-moo Lee, Dong Young Kim, Yun-Chul Jung | 2004-01-27 |