HH

Hartley Fred Horwitz

PI Power Integrations: 22 patents #27 of 206Top 15%
PS Potentia Semiconductor: 1 patents #8 of 10Top 80%
📍 Ottawa, CA: #232 of 6,399 inventorsTop 4%
Overall (All Time): #180,191 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
11955899 Apparatus and methods for sensing resonant circuit signals to enhance control in a resonant converter Robert J. Mayell, Frank Joseph Schulz, Roger Colbeck 2024-04-09
11901831 Apparatus and methods for controlling a switch drive signal following mode transitions in a switching power converter Roger Colbeck, Robert J. Mayell, Lino Del Pup 2024-02-13
11522464 Apparatus and methods for sensing resonant circuit signals to enhance control in a resonant converter Robert J. Mayell, Frank Joseph Schulz, Roger Colbeck 2022-12-06
11196347 Apparatus and methods for controlling a switch drive signal following mode transitions in a switching power converter Roger Colbeck, Robert J. Mayell, Lino Del Pup 2021-12-07
11025249 Clamp for a hybrid switch Sorin S. Georgescu, Kuo-Chang Yang 2021-06-01
10931203 Synchronizing multiple controllers in a power converter Robert J. Mayell, Yueming Wang, Roger Colbeck 2021-02-23
10931202 High side signal interface in a power converter Steven Greig Porter 2021-02-23
10797583 Secondary winding sense for hard switch detection Robert J. Mayell, Igor Miletic, Roger Colbeck 2020-10-06
10797606 Controller with limit control to change switching period or switching frequency of power converter and methods thereof Robert J. Mayell, Roger Colbeck, Igor Miletic 2020-10-06
10763756 Apparatus and methods for sensing resonant circuit signals to enhance control in a resonant converter Robert J. Mayell, Frank Joseph Schulz, Roger Colbeck 2020-09-01
10763852 Clamp for a hybrid switch Sorin S. Georgescu, Kuo-Chang Yang 2020-09-01
10498244 High side signal interface in a power converter Steven Greig Porter 2019-12-03
10461740 Clamp for a hybrid switch 2019-10-29
10193453 High side signal interface in a power converter Steven Greig Porter 2019-01-29
10187054 Clamp for a hybrid switch Sorin S. Georgescu, Kuo-Chang Yang 2019-01-22
10008942 High side signal interface in a power converter Steven Greig Porter 2018-06-26
9998115 Clamp for a hybrid switch Sorin S. Georgescu, Kuo-Chang Yang 2018-06-12
9871510 Clamp for a hybrid switch Sorin S. Georgescu, Kuo-Chang Yang 2018-01-16
8791746 Over-temperature protection of semiconductor components Jason E. Cuadra 2014-07-29
8508958 LLC controller with programmable fractional burst frequency Raymond Kenneth Orr, Paul Demone 2013-08-13
8300429 Cascaded PFC and resonant mode power converters Raymond Kenneth Orr, Roger Colbeck, Philip Craine, Mircea Cristian Boros 2012-10-30
7885085 Cascaded PFC and resonant mode power converters Raymond Kenneth Orr, Roger Colbeck, Philip Craine, Mircea Cristian Boros 2011-02-08
6850048 Power supply controller Raymond Kenneth Orr, Yan-Fei Liu, Roger Colbeck, David Alan Brown 2005-02-01