Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6344625 | Method and apparatus for monitoring the size variation and the focus shift of a weld pool in laser welding | Cheol-Jung Kim, Sung-Hoon Baik, Chin-Man Chung | 2002-02-05 |