Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10479094 | Energy efficient printheads | Zhizhang Chen, Mohammed S. Shaarawi, Paul Krause | 2019-11-19 |
| 7044823 | Method of making a tunneling emitter | Zhizhang Chen, Michael J. Regan, Thomas Novet, Paul J. Benning, Mark Alan Johnstone +1 more | 2006-05-16 |
| 6781146 | Annealed tunneling emitter | Zhizhang Chen, Michael J. Regan, Thomas Novet, Paul J. Benning, Mark Alan Johnstone +1 more | 2004-08-24 |