Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8120756 | Laser doppler velocity system for variable beam focusing | Seok-Kyu Chang, Chul-Hwa Song | 2012-02-21 |
| 6555780 | Method for monitoring the size variation and the focus shift of a weld pool in laser welding | Cheol-Jung Kim, Min Kim, Chin-Man Chung | 2003-04-29 |
| 6344625 | Method and apparatus for monitoring the size variation and the focus shift of a weld pool in laser welding | Cheol-Jung Kim, Min Kim, Chin-Man Chung | 2002-02-05 |
| 6188041 | Method and apparatus for real-time weld process monitoring in a pulsed laser welding | Cheol-Jung Kim, Min Kim, Chin-Man Chung | 2001-02-13 |
| 6046812 | Shape-measuring laser apparatus using anisotropic magnification optics | Seung-Kyu Park, Cheol-Jung Kim | 2000-04-04 |