Inventor · Petaluma, CA, US

Michael J. Harrison

51Patents
6h-index
20Co-inventors
72Inventor score

Filing activity: Jun 10, 1999 → Mar 10, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6421071B1 Synchronous scrolling of time stamped log files Physics 33 Expired
US9531300B2 Single phase cycloconverter with integrated line-cycle energy storage Emerging Cross-Sectional Technologies 10 Active
US6434502B1 Automatic updating of test management system with test results entered into an electronic logbook Physics 8 Expired
US8265981B2 Method and system for identifying a business organization that needs transformation Physics 7 Active
US8680820B2 PFC booster circuit Emerging Cross-Sectional Technologies 7 Active
US8395916B2 Switched mode power supply and method of production Electricity 6 Active
US9608440B2 Methods and apparatus for determining power distribution system topology using disturbance detection Emerging Cross-Sectional Technologies 5 Active
US9793854B2 Method and apparatus for ground fault detection Emerging Cross-Sectional Technologies 4 Active
US8520409B2 Cyclo-converter and methods of operation Emerging Cross-Sectional Technologies 2 Active
US9780645B2 Method and apparatus for providing power conversion using an interleaved flyback converter with reactive power control Emerging Cross-Sectional Technologies 2 Active
US9287788B2 Resonant converter using variably delayed output switching Emerging Cross-Sectional Technologies 2 Active
US10804816B2 Method and apparatus for three port line frequency energy storage Emerging Cross-Sectional Technologies 2 Active
US9871459B2 Method and apparatus for deriving current for control in a resonant power converter Emerging Cross-Sectional Technologies 2 Active
US11641110B2 Apparatus and method for reactive power control Emerging Cross-Sectional Technologies 1 Active
US10074474B2 Matrix planar transformer Electricity 1 Active
US10516270B2 Method and apparatus for coordination of generators in droop controlled microgrids using hysteresis Emerging Cross-Sectional Technologies 1 Active
US9247595B2 LED lighting converter Emerging Cross-Sectional Technologies 1 Active
US9859814B2 Method and apparatus for independent control of multiple power converter sources Emerging Cross-Sectional Technologies 1 Active
US9203326B2 Feed forward control for a cyclo-converter Emerging Cross-Sectional Technologies 1 Active
US9893532B2 System and method for a mesh power system Electricity 1 Active
US8964438B2 Power converter with hold up Electricity 1 Active
US11251618B2 Apparatus and method for reactive power control Emerging Cross-Sectional Technologies 1 Active
US10431980B2 Method and apparatus for increased energy harvest in a microgrid Emerging Cross-Sectional Technologies 0 Active
US11838017B2 Gallium nitride bi-directional high electron mobility transistor substrate voltage management circuit Electricity 0 Active
US10916942B2 Method and apparatus for increased energy harvest in a microgrid Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.