Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6388514 | Class D high voltage amplifier system with adaptive power supply | Ray King, Jonathan Adams | 2002-05-14 |
| 6215435 | Linear current sensing circuit for motor controller | David Tam, Christopher C. Chey, Ajit Dubhashi, Toshio Takahashi, Aristide Tchamdsou | 2001-04-10 |
| 6150773 | Model and method for high-frequency electronic ballast design | Thomas Ribarich, John Ribarich | 2000-11-21 |
| 6031342 | Universal input warm-start linear ballast | Thomas Ribarich | 2000-02-29 |
| 6021055 | Intentional cross conduction of converter circuit to ignite high ignition voltage loads | — | 2000-02-01 |
| 5796215 | Soft start circuit for self-oscillating drivers | Peter Wood | 1998-08-18 |