Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6888146 | Maskless micro-ion-beam reduction lithography system | Ka-Ngo Leung, William A. Barletta, David O. Patterson | 2005-05-03 |
| 5945677 | Focused ion beam system | Ka-Ngo Leung, Qing Ji, Yung-Hee Yvette Lee | 1999-08-31 |