Inventor · Qinhuangdao City, CN

Weidong Liu

143Patents
7h-index
187Co-inventors
77Inventor score

Filing activity: May 29, 1997 → Aug 22, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US5789748A Low voltage electron beam system Electricity 24 Expired
US6384408B1 Calibration of a scanning electron microscope Electricity 22 Expired
US6846455B1 Automatic sampling device Physics 17 Expired
US6652015B1 Gripper device Emerging Cross-Sectional Technologies 12 Expired
US10153273B1 Metal-semiconductor heterodimension field effect transistors (MESHFET) and high electron mobility transistor (HEMT) based device and method of making the same Electricity 11 Active
US6904039B1 Packet queuing for a network switch Electricity 10 Expired
US6644136B1 Sample tray for automatic sampler Physics 8 Expired
USD927387S1 Vehicle wheel General 7 Active
US6760679B1 Method and apparatus for positional calibration of a thermal analysis instrument Physics 7 Expired
US10192498B2 Multi-domain liquid crystal display device with improved transmittance and viewing angles Physics 4 Active
US6859271B1 Platen for automatic sampler Physics 4 Expired
US9224361B2 Method, device and system for compensating brightness of a liquid crystal module Physics 4 Active
US11047668B2 Wheel space detecting device Physics 3 Active
US6823278B1 Method and apparatus for positional calibration of a thermal analysis instrument Physics 3 Expired
US10234275B1 Device for monitoring thickness of wheel valve hole on line Physics 3 Active
US8922365B2 Methods and systems for monitoring and alerting body temperature Human Necessities 3 Active
US10144244B2 Automatic carving device for wheel Performing Operations; Transporting 2 Active
US8466936B2 Color gamut mapping method for multimedia equipment, a television and a color processing apparatus Physics 2 Active
US7709860B2 High electron mobility transistor semiconductor device and fabrication method thereof Electricity 2 Active
US8031166B2 Liquid crystal display method and the appratus thereof Physics 2 Active
US7161938B1 Network switch Electricity 2 Expired
US9243250B2 Method of enhancing miR-185 expression to reduce low density lipoprotein/cholesterol accumulation in a cell Chemistry; Metallurgy 1 Active
US8174971B2 Network switch Electricity 1 Active
US10175145B2 Online wheel run-out detecting device Physics 1 Active
US9966022B2 Display method and display device applied to MVA wide viewing angle liquid crystal screen Physics 1 Active

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