Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6916753 | Tm3+-doped silicate glass and the use thereof | Doo-Hee Cho, Yong Gyu Choi, Hong-Seok SEO | 2005-07-12 |
| 6853480 | Optical amplifier | Yong Gyu Choi, Hong-Seok SEO, Doo-Hee Cho, Kyong Hon Kim, Tae Hoon Lee +1 more | 2005-02-08 |