Inventor · San Jose, CA, US

Yong Li

50Patents
10h-index
35Co-inventors
74Inventor score

Filing activity: Jul 24, 2003 → Jan 18, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7148664B2 High frequency partial boost power factor correction control circuit and method Emerging Cross-Sectional Technologies 72 Expired
US7359224B2 Digital implementation of power factor correction Emerging Cross-Sectional Technologies 45 Active
US7164590B2 Power transfer system with reduced component ratings Emerging Cross-Sectional Technologies 43 Expired
US7088081B2 High frequency partial boost power factor correction control circuit and method Emerging Cross-Sectional Technologies 38 Expired
US7061195B2 Global closed loop control system with dv/dt control and EMI/switching loss reduction Electricity 35 Expired
US7274241B2 Global closed loop control system with DV/DT control and EMI/switching loss reduction Electricity 21 Expired
US8049481B2 Adaptive multi-mode digital control improving light-load efficiency in switching power converters Emerging Cross-Sectional Technologies 21 Active
US8755203B2 Valley-mode switching schemes for switching power converters Electricity 16 Active
US7250742B2 Digital control of bridgeless power factor correction circuit Electricity 14 Expired
US8289732B2 Controller for switching power converter driving BJT based on primary side adaptive digital control Electricity 14 Active
US7405528B2 Global closed loop control system with DV/DT control and EMI/switching loss reduction Electricity 10 Active
US8988902B2 Power converter controller IC having pins with multiple functions Electricity 7 Active
US8897038B2 Switching power converter dynamic load detection Electricity 7 Active
US9154039B2 Switching power converter with secondary-side dynamic load detection and primary-side feedback and control Emerging Cross-Sectional Technologies 4 Active
US9331589B2 Primary feedback switching power converter controller with intelligent determination of and response to output voltage drops due to dynamic load conditions Electricity 4 Active
US9318963B2 Switching power converter with secondary to primary messaging Emerging Cross-Sectional Technologies 4 Active
US10063073B2 USB power converter with bleeder circuit for fast correction of output voltage by discharging output capacitor Electricity 3 Active
US9184667B2 Switching power converter with primary-side dynamic load detection and primary-side feedback and control Electricity 3 Active
US8964422B2 EMI frequency spreading method for switching power converter Electricity 3 Active
US7974107B2 System and method for controlling a current limit with primary side sensing using a hybrid PWM and PFM control Electricity 3 Active
US8259472B2 Switching power converter having optimal dynamic load response with ultra-low no load power consumption Emerging Cross-Sectional Technologies 3 Active
US8787039B2 Hybrid adaptive power factor correction schemes for switching power converters Emerging Cross-Sectional Technologies 3 Active
US8576586B2 Dynamic drive of switching transistor of switching power converter Emerging Cross-Sectional Technologies 2 Active
US8582329B2 Adaptively controlled soft start-up scheme for switching power converters Electricity 2 Active
US11031796B2 Short circuit and soft short protection for data interface charging Electricity 2 Active

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