Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5808517 | PTM signal generator combining outputs of multiple oscillators | Charles A. Lee | 1998-09-15 |
| 5652548 | PTM signal generator combining outputs of two same frequency oscillators | Charles A. Lee | 1997-07-29 |
| 5262739 | Waveguide adaptors | — | 1993-11-16 |
| 5225797 | Dielectric waveguide-to-coplanar transmission line transitions | Alison Schary, Charles A. Lee | 1993-07-06 |
| 5017892 | Waveguide adaptors and Gunn oscillators using the same | — | 1991-05-21 |
| 4951099 | Opposed gate-source transistor | John J. Berenz, Charles A. Lee | 1990-08-21 |
| 4680538 | Millimeter wave vector network analyzer | Hiroshi Kondoh | 1987-07-14 |
| 4623849 | Broadband high power IMPATT amplifier circuit | Charles A. Lee | 1986-11-18 |
| 4587541 | Monolithic coplanar waveguide travelling wave transistor amplifier | Charles A. Lee | 1986-05-06 |
| 4575700 | Parallel plate transmission lines integrated with coplanar waveguides or slot lines and method of making same | — | 1986-03-11 |
| 4551904 | Opposed gate-source transistor | John J. Berenz, Charles A. Lee | 1985-11-12 |