Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6463806 | Installation for measuring pressure inside vacuum pipeline | Shing-Juh Lung, Lee-Forng Yen | 2002-10-15 |
| 6357280 | Leakage testing tool for a bellow of a semiconductor manufacturing machine | Chih-Sheng Hu, Lee-Forng Yen | 2002-03-19 |