Inventor

LIU WENLIANG

CN22 patents

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

LIU WENLIANG

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

CRRC YANGTZE CORPORATION LTD

Sidewall structure of hopper car

Connecting rod type two-level locking device, hopper car bottom door and hopper car

Two-stage stiffness type elastomer combined device

Variable stiffness positioning device for railway vehicle bogie axle box

BOE TECHNOLOGY GROUP CO LTD

Method, apparatus and system for debugging display panel

Array substrate and display device

WUXI CHIPOWN MICRO ELECTRONICS LTD

Control circuit and control method of switching power supply

High voltage power system with enable control

UNIV ELECTRONIC SCI & TECH CHINA

Power semiconductor device

Bidirectional conduction trench gate power MOS device and manufacturing method thereof

CHONGQING BOE OPTOELECTRONICS TECH CO LTD

Display driving circuit, method for driving timing control circuit, and display device

Method and apparatus for controlling display panel, display module and electronic device

CHENGDU BOE OPTOELECT TECH CO

Display panel, splicing screen, and display device

Display panel and display apparatus

ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD

Automatic shift control method, apparatus, device and storage medium

WUXI CHIPOWN MICROELECTRONICS CO LTD

Highly integrated switching power supply and control circuit

CRRC YANGTZE CO LTD

Movable side wall and opening/closing mechanism for railroad boxcars

CRRC YANGTZE CORP LTD

Two-level locking device, hopper car bottom door and hopper car