Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8217577 | Hybrid modulation in an emission-gated electron gun | Mark Frederick Kirshner, Craig Bisset Wilsen, Richard Donald Kowalczyk | 2012-07-10 |
| 8129910 | Magnetically insulated cold-cathode electron gun | David Riley Whaley, Ramon Duggal | 2012-03-06 |
| 6002988 | Method for optimizing the magnetic field of a periodic permanent magnet focusing device | David Riley Whaley | 1999-12-14 |
| H1771 | Coupled cavity gyrotron-traveling-wave-tube amplifier | Jin Joo Choi, Gunsik Park | 1999-01-05 |
| 5422596 | High power, broadband folded waveguide gyrotron-traveling-wave-amplifier | Jin Joo Choi, Achintya K. Ganguly | 1995-06-06 |