Inventor · Fremont, CA, US

John So

20Patents
8h-index
6Co-inventors
64Inventor score

Filing activity: Nov 28, 2000 → Oct 15, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6731486B2 Output-powered over-voltage protection circuit Emerging Cross-Sectional Technologies 54 Expired
US6342822B1 Method and apparatus for implementing improved pulse width modulation Electricity 33 Expired
US7026795B2 Method for pulse modulation control of switching regulators Electricity 22 Expired
US7127631B2 Single wire serial interface utilizing count of encoded clock pulses with reset Electricity 16 Expired
US7576525B2 Supply power control with soft start Emerging Cross-Sectional Technologies 13 Active
US7656132B2 Battery charger apparatus with a digital charge reduction loop Emerging Cross-Sectional Technologies 12 Active
US7672107B2 Current limit control with current limit detector Electricity 10 Active
US7957116B2 System and method for detection of multiple current limits Electricity 8 Active
US7532448B2 Current limit detector Electricity 8 Active
US7921320B2 Single wire serial interface Electricity 8 Active
US8539275B2 Single wire serial interface Electricity 5 Active
US7923972B2 Systems and methods for charging a battery with a digital charge reduction loop Emerging Cross-Sectional Technologies 3 Active
US8611063B2 Current limit control with current limit detector Electricity 3 Active
US9015515B2 Single wire serial interface Electricity 3 Active
US8699195B2 System and method for detection of multiple current limits Electricity 2 Active
US8295023B2 System and method for detection of multiple current limits Electricity 2 Active
US9295128B2 Single wire serial interface Electricity 1 Active
US9265113B2 Single wire serial interface Electricity 1 Active
US8111493B2 Current limit detector Electricity 0 Active
US9247607B2 Single wire serial interface utilizing count of encoded clock pulses with reset Electricity 0 Active

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