Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6893947 | Advanced RF enhancement-mode FETs with improved gate properties | Ernest Schirmann, Olin L. Hartin, Colby Greg Rampley, Mariam Sadaka, Charles E. Weitzel +1 more | 2005-05-17 |
| 6528405 | Enhancement mode RF device and fabrication method | Ernest Schirmann, Olin L. Hartin, Elizabeth Glass, Julio C. Costa | 2003-03-04 |
| 6521961 | Semiconductor device using a barrier layer between the gate electrode and substrate and method therefor | Julio C. Costa, Ernest Schirmann, Nyles Wynn Cody | 2003-02-18 |
| 6023086 | Semiconductor transistor with stabilizing gate electrode | Adolfo C. Reyes, Ernest Schirmann, Julio C. Costa | 2000-02-08 |
| 5945694 | Compound semiconductor device having reduced temperature variability | Adolfo C. Reyes, Mark R. Wilson, Julio C. Costa, Ernest Schirmann | 1999-08-31 |
| 5830774 | Method for forming a metal pattern on a substrate | Lawrence S. Klingbeil, Jr., Ernest Schirmann, Gordon M. Grivna | 1998-11-03 |
| 5742082 | Stable FET with shielding region in the substrate | Saied N. Tehrani, Jenn Hwa Huang, Herbert Goronkin, Ernest Schirmann | 1998-04-21 |
| 5733827 | Method of fabricating semiconductor devices with a passivated surface | Saied N. Tehrani, Mark Durlam, Jenn Hwa Huang, Ernie Schirmann | 1998-03-31 |
| 5719088 | Method of fabricating semiconductor devices with a passivated surface | Jenn Hwa Huang, Mark Durlam, Ernie Schirmann, Saied N. Tehrani, William J. Ooms | 1998-02-17 |
| 5688703 | Method of manufacturing a gate structure for a metal semiconductor field effect transistor | Lawrence S. Klingbeil, Jr. | 1997-11-18 |
| 5192698 | Making staggered complementary heterostructure FET | Fritz L. Schuermeyer, Paul Cook, Edgar Martinez | 1993-03-09 |