Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6931187 | Mode-filtering and mode-selecting method in multi-mode waveguide, and waveguide amplifier, semiconductor laser, and VCSEL using the method | Duck Young Kim, Yong-Woo Park, Nak Hyun Sung | 2005-08-16 |