Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6958968 | Optical head with GRIN lens | Myung-bok Lee, Petrov Nikolai | 2005-10-25 |
| 6791071 | Apparatus for measuring aperture size of near-field optical probe and method thereof | Petrov Nikolai, Myung-bok Lee | 2004-09-14 |
| 6220571 | Electronic expansion valve for cooling cycle | Wan-Yong Kim, Kwang-Il Kim, Lae-soo Park | 2001-04-24 |
| 6024492 | Hemispherical bearing apparatus | Hwan-young Choi | 2000-02-15 |