Inventor · Beijing, CN

Zhenyu Zhao

22Patents
7h-index
56Co-inventors
68Inventor score

Filing activity: Feb 1, 2008 → Jul 26, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7622820B1 Switch-mode power supply (SMPS) with auto-tuning using limit-cycle oscillation response evaluation Electricity 40 Active
US8077490B1 Limit-cycle oscillation (LCO) generation by altering a digital transfer function of a feedback loop element Electricity 31 Active
US8085024B2 Self-tuning digital current estimator for low-power switching converters Electricity 21 Active
US7586767B1 Limit-cycle oscillation (LCO) based switch-mode power supply (SMPS) response evaluation Emerging Cross-Sectional Technologies 19 Active
US8525502B2 Digital pulse-frequency modulation controller for switch-mode power supplies with frequency targeting and ultrasonic modes Emerging Cross-Sectional Technologies 8 Active
US7778203B2 On-demand MAC address lookup Electricity 8 Active
US8536842B2 Sensorless self-tuning digital current programmed mode (CPM) controller with multiple parameter estimation and thermal stress equalization Electricity 7 Active
US8115459B2 ESR zero estimation and auto-compensation in digitally controlled buck converters Electricity 6 Active
US8487600B2 Continuous-time digital controller for high-frequency DC-DC converters Electricity 4 Active
US8959077B2 Multi-layer search-engine index Physics 2 Active
US8362756B2 Digital boost feedback voltage controller for switch-mode power supplies using pulse-frequency modulation Emerging Cross-Sectional Technologies 2 Active
US8274264B2 Digital control method for improving heavy-to-light (step down) load transient response of switch mode power supplies Electricity 2 Active
US8125287B2 Extendable N-channel digital pulse-width/pulse-frequency modulator Electricity 1 Active
US10957668B2 Anisotropic conductive film (ACF) with controllable distribution state of conductive substance and manufacturing method thereof Electricity 1 Active
US10840477B2 OLED display device Emerging Cross-Sectional Technologies 0 Active
US11127930B2 Substrate and display panel Emerging Cross-Sectional Technologies 0 Active
US11335101B2 Locating element detection method, device and medium Emerging Cross-Sectional Technologies 0 Active
US11448445B2 Ice crushing device and refrigerator Mechanical Engineering; Lighting; Heating 0 Active
US11920850B2 Air duct system and a refrigeration appliance having the same Mechanical Engineering; Lighting; Heating 0 Active
US11566882B2 Magnetic tag sensor and method for manufacturing same, and riverbed scour detection device Physics 0 Active
US9959347B2 Multi-layer search-engine index Physics 0 Active
US12253418B2 Method for in-situ measurement of temperature at microwave-induced microscopic hot spots, temperature measuring particles and the device used Physics 0 Active

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