Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6916753 | Tm3+-doped silicate glass and the use thereof | Doo-Hee Cho, Hong-Seok SEO, Bong Je Park | 2005-07-12 |
| 6873774 | Transmission optical fiber | Hong-Seok SEO, Kyong Hon Kim | 2005-03-29 |
| 6853480 | Optical amplifier | Bong Je Park, Hong-Seok SEO, Doo-Hee Cho, Kyong Hon Kim, Tae Hoon Lee +1 more | 2005-02-08 |
| 6845185 | High-speed wavelength channel selector and high-speed photonic integrated circuit-type space and wavelength multiplexed channel selector employing the same | Kyong Hon Kim, Joon Tae Ahn, Doo-Hee Cho | 2005-01-18 |