Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7242129 | Piezoelectric and electrostatic microelectromechanical system actuator | Ki-Chul Kim, Sang Hyeob Kim, Hye Jin Kim | 2007-07-10 |
| 6916753 | Tm3+-doped silicate glass and the use thereof | Yong Gyu Choi, Hong-Seok SEO, Bong Je Park | 2005-07-12 |
| 6853480 | Optical amplifier | Yong Gyu Choi, Bong Je Park, Hong-Seok SEO, 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, Yong Gyu Choi | 2005-01-18 |
| 6785449 | Multimode interference coupler, multi-layer optical planar waveguide using the same and method of manufacturing the same | Jong Moo Lee, Joon Tae Ahn, Myung Hyun Lee, Kyong Hon Kim | 2004-08-31 |
| 6769274 | Method of manufacturing a planar waveguide using ion exchange method | Joon Tae Ahn, Min Yong Jeon, Kyong Hon Kim | 2004-08-03 |
| 6654520 | Periodically poled optical fiber and method for the manufacture thereof | Yong Gyu Choi, Jong-bae Kim, Kyong Hon Kim | 2003-11-25 |
| 6625361 | Method for forming two thin conductive films isolated electrically from each other on a fiber | Sahng Gi Park, Jong-bae Kim, Yong Gyu Choi, Kyong Hon Kim, Bun Lee | 2003-09-23 |
| 6549330 | Optical gain fiber doped with rare earth ions | Yong Gyu Choi, Dong Sung Lim, Kyong Hon Kim | 2003-04-15 |
| 6413891 | Glass material suitable for a waveguide of an optical amplifier | Yong Gyu Choi, Kyong Hon Kim | 2002-07-02 |