Inventor · Irvine, CA, US

Huan Zhao

29Patents
5h-index
64Co-inventors
72Inventor score

Filing activity: Nov 2, 2000 → Aug 7, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
USD954445S1 Hair dryer brush General 20 Active
US9602060B2 Power amplifier architectures with input power protection circuits Electricity 19 Active
US9853620B2 Coupled-resonator on-die filters for WiFi applications Electricity 11 Active
US9449126B1 System and method for displaying content according to a target format for presentation on a target presentation device Electricity 8 Active
US9317496B2 Workflow system and method for creating, distributing and publishing content Emerging Cross-Sectional Technologies 6 Active
USD934527S1 Fishing magnet General 4 Active
US10810365B2 Workflow system and method for creating, distributing and publishing content Emerging Cross-Sectional Technologies 4 Active
US10169311B2 Workflow system and method for creating, distributing and publishing content Emerging Cross-Sectional Technologies 3 Active
US10505501B2 Power amplifier with input power protection circuits Electricity 2 Active
USD928444S1 Fishing magnet General 2 Active
US9749003B2 Second order harmonic cancellation for radio frequency front-end switches Electricity 1 Active
US10247449B2 Variable-capacity compressor, two-stage compression system and control method thereof Mechanical Engineering; Lighting; Heating 1 Active
US11179997B2 Control method for vehicle air conditioner Emerging Cross-Sectional Technologies 1 Active
US11643881B2 Composite shock absorber for polycrystalline diamond compact bit Fixed Constructions 0 Active
USD1032700S1 Car tripod head General 0 Active
US12199567B2 Photovoltaic power generation system and method and device for detecting earth fault of photovoltaic string Emerging Cross-Sectional Technologies 0 Active
US11359905B2 Complex surface three-coordinate measuring device and error compensation method Physics 0 Active
US11977110B2 Converter system, method and apparatus for detecting insulation resistance of system, and medium Electricity 0 Active
US9825630B2 Single pole-single-throw (SPST) switch and its derivative single pole-double-throw (SPDT) and single-pole-multiple-throw (SPMT) switches Electricity 0 Active
US12211267B2 Method, apparatus, medium and device for extracting river drying-up region and frequency Physics 0 Active
US10050662B2 Second order harmonic cancellation for radio frequency front-end switches Electricity 0 Active
US10309705B2 Two-stage compression air conditioning system and method of controlling gas replenishment thereof Mechanical Engineering; Lighting; Heating 0 Active
US10523264B2 Second order harmonic cancellation for radio frequency front-end switches Electricity 0 Active
US11673833B2 Strontium ferrite-based sacrificial mortar and its preparation method Chemistry; Metallurgy 0 Active
US12381399B2 Control system and method for power supply system Electricity 0 Active

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