Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5923058 | Aluminum gallium nitride heterojunction bipolar transistor | Anant Agarwal, Rowan L. Messham | 1999-07-13 |
| 5641975 | Aluminum gallium nitride based heterojunction bipolar transistor | Anant Agarwal, Rowan L. Messham | 1997-06-24 |
| 5198695 | Semiconductor wafer with circuits bonded to a substrate | Maurice H. Hanes, Rowland C. Clarke | 1993-03-30 |
| 4922253 | High attenuation broadband high speed RF shutter and method of making same | Harvey C. Nathanson, Regis J. Betsch | 1990-05-01 |
| 4904831 | Mitered mechanical switches | Harvey C. Nathanson, Michael W. Cresswell, Ronald G. Freitag, Donald K. Alexander, Daniel F. Yaw | 1990-02-27 |
| 4894114 | Process for producing vias in semiconductor | Harvey C. Nathanson, Michael W. Cresswell, Ronald G. Freitag, Donald K. Alexander, Daniel F. Yaw | 1990-01-16 |
| 4823136 | Transmit-receive means for phased-array active antenna system using rf redundancy | Harvey C. Nathanson, Michael W. Cresswell, Ronald G. Freitag, Donald K. Alexander, Daniel F. Yaw | 1989-04-18 |
| 4769883 | Method for tuning a microwave integrated circuit | Harvey C. Nathanson, James G. Oakes, Varley L. Wrick, Joseph C. Kotvas | 1988-09-13 |
| 4381341 | Two stage etching process for through the substrate contacts | John X. Przybysz, Harvey C. Nathanson | 1983-04-26 |