Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7916601 | Optical recording/reproducing write strategy method, medium, and apparatus | Seung-Bum Lee, Jong-Hoon Lee, Sung-Yong Chung | 2011-03-29 |
| 7253943 | Phase optimization apparatus and method for obtaining maximum extinction ratio in mach-zehnder interferometer wavelength converter using cross phase modulation of semiconductor optical amplifier | Sang Kook Han | 2007-08-07 |
| 7092146 | Method and apparatus for controlling a SOA-MZI wavelength converter | Sang Kook Han | 2006-08-15 |
| RE38886 | Optical pick-up apparatus | — | 2005-11-22 |
| 6920097 | Method of and apparatus for controlling writing power in an optical drive | — | 2005-07-19 |
| 5995476 | Optical pick-up apparatus | — | 1999-11-30 |