Inventor

LI HAISONG

CN22 patents

⚠️ This page may combine multiple inventors who share the name “LI HAISONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LI HAISONG

WUXI CHIPOWN MICROELECTRONICS CO LTD

Synchronous rectification control circuit and switching power supply system

Synchronous rectification controller and switching power supply

Power supply control circuit for switch mode power supply converter and power supply control method using the same

Circuit for controlling switching power supply by current limiting and magnetic field detection, and method for controlling switching power supply by using circuit

Driving power circuit for converter

Highly integrated switching power supply and control circuit

Voltage detection circuit, power supply system and chip

Internal power generation circuit

SUZHOU POWERON IC DESIGN CO LTD

Compensation circuit for constant output voltage

Primary controller of switching power supply and switching power supply

Switching power supply

Control method and control circuit for switching power supply

High voltage start-up circuit with adjustable start-up time

Semiconductor device with a current sampler and a start-up structure

WUXI CHIPOWN MICRO ELECTRONICS LTD

Control circuit and control method of switching power supply

High voltage power system with enable control

Short-circuit protection circuit for voltage sampling resistor of primary side converter

WUXI CHIPOWN MICRO-ELECTRONICS LTD

Circuit structure for enhancing EFT immunity of primary side converter

LI HAISONG

Humidifier

UNIV SOUTHEAST

Low-power consumption high-voltage CMOS driving circuit

YI YANGBO

Termination for superjunction VDMOSFET

ZHIHE ENVIRONMENTAL SCIENCE AND TECH CO LTD

Polyhedral spherical denitrifying packing and use method thereof