Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8300429 | Cascaded PFC and resonant mode power converters | Raymond Kenneth Orr, Roger Colbeck, Hartley Fred Horwitz, Philip Craine | 2012-10-30 |
| 8284571 | Control arrangement for a PFC power converter | Roger Colbeck | 2012-10-09 |
| 7911812 | Control arrangement for a PFC power converter | Roger Colbeck | 2011-03-22 |
| 7885085 | Cascaded PFC and resonant mode power converters | Raymond Kenneth Orr, Roger Colbeck, Hartley Fred Horwitz, Philip Craine | 2011-02-08 |
| 7705570 | Power supply output voltage trimming | David Alan Brown | 2010-04-27 |
| 7501801 | Power supply output voltage trimming | David Alan Brown | 2009-03-10 |
| 7135789 | Controlling devices using cascaded control units | David Alan Brown | 2006-11-14 |
| 7071838 | Coupling signals via a coupling arrangement | David Alan Brown | 2006-07-04 |