Inventor · Sunnyvale, CA, US

Qiu Sha

12Patents
3h-index
19Co-inventors
57Inventor score

Filing activity: Feb 21, 2003 → Jan 18, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US10170975B1 AC line detection and X capacitor discharge using a single terminal Electricity 9 Active
US8988902B2 Power converter controller IC having pins with multiple functions Electricity 7 Active
US9559597B2 Detecting open connection of auxiliary winding in a switching mode power supply Electricity 3 Active
US10483861B1 Flyback converter controller with single pin detection of over-voltage and auxiliary winding faults Electricity 2 Active
US9060408B2 Thermal de-rating power supply for LED loads Electricity 1 Active
US10075063B2 Dual stage Vcc charging for switched mode power supply Electricity 1 Active
US10281505B2 Low-power and compact voltage sensing circuit Electricity 0 Active
US10848054B2 Adaptive startup for switching power converter Electricity 0 Active
US12149389B2 Isolator with forward and return paths Electricity 0 Active
US9584031B2 Power supply with configurable controller with combination input/output line Electricity 0 Active
US9124185B2 Configurable power controller with combination input/output line Electricity 0 Active
US6897572B2 Power ring architecture for embedded low drop off voltage regulators Electricity 0 Expired

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