Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7345327 | Bipolar transistor | Roger E. Welser, Charles R. Lutz, Kevin S. Stevens, Noren Pan | 2008-03-18 |
| 7186624 | Bipolar transistor with lattice matched base layer | Roger E. Welser, Noren Pan | 2007-03-06 |
| 7115466 | Bipolar transistor with graded base layer | Roger E. Welser, Charles R. Lutz, Kevin S. Stevens, Noren Pan | 2006-10-03 |
| 6847060 | Bipolar transistor with graded base layer | Roger E. Welser, Charles R. Lutz, Kevin S. Stevens | 2005-01-25 |
| 6800879 | Method of preparing indium phosphide heterojunction bipolar transistors | Roger E. Welser, Barbara E. Landini | 2004-10-05 |
| 6750480 | Bipolar transistor with lattice matched base layer | Roger E. Welser, Noren Pan | 2004-06-15 |
| 5668371 | Method and apparatus for proton therapy | Joseph O. Deasy, Thomas R. Mackie | 1997-09-16 |