Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6922019 | Microwave ion source | Ka-Ngo Leung, Rainer W. Thomae | 2005-07-26 |
| 6768120 | Focused electron and ion beam systems | Ka-Ngo Leung, Arun Persaud, Qing Ji, Ximan Jiang | 2004-07-27 |