Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RC

Roger Colbeck — 38 Patents

PIPower Integrations: 26 patents #23 of 206Top 15%
ESEsight: 4 patents #5 of 25Top 20%
PSPotentia Semiconductor: 4 patents #3 of 10Top 30%
AMD: 2 patents #3,994 of 9,279Top 45%
MIMitel: 2 patents #45 of 264Top 20%
Ottawa, CA: #102 of 6,399 inventorsTop 2%
Overall (All Time): #85,316 of 4,157,543Top 3%
38 Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
8135227 Apparatus and method for augmenting sight Conrad W. Lewis, Daniel R. Mathers, Robert G. Hilkes, Rejean Munger 2012-03-13
8102164 Power factor correction converter control offset Paul Demone, Anthony Reinberger 2012-01-24
7911812 Control arrangement for a PFC power converter Mircea Cristian Boros 2011-03-22
7885085 Cascaded PFC and resonant mode power converters Raymond Kenneth Orr, Hartley Fred Horwitz, Philip Craine, Mircea Cristian Boros 2011-02-08
7592844 Comparator with complementary differential input stages 2009-09-22
7365559 Current sensing for power MOSFETs 2008-04-29
7078971 Class AB CMOS amplifiers 2006-07-18
6924990 Power supply arrangements Rajko Duvnjak 2005-08-02
6850048 Power supply controller Raymond Kenneth Orr, Yan-Fei Liu, David Alan Brown, Hartley Fred Horwitz 2005-02-01
5699387 Phase offset cancellation technique for reducing low frequency jitters Jim M. N. Seto, Raymond Chau, Simon Leung 1997-12-16
5459653 Voltage to current converter with independent loop gain and frequency control Jim M. N. Seto, Raymond Chau, Simon Leung 1995-10-17
5021681 Jiter-invariant switched capacitor pulse shaper Peter B. Gillingham 1991-06-04
4653017 Decimating filter Peter B. Gillingham 1987-03-24