Inventor · Redmond, WA, US

Dahai Yu

21Patents
8h-index
39Co-inventors
75Inventor score

Filing activity: Sep 11, 1998 → Jul 14, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7627162B2 Enhanced video metrology tool Physics 41 Active
US7570795B2 Multi-region autofocus tool and mode Physics 35 Active
US6677948B1 Systems and methods for multi-resolution image defocusing Physics 29 Expired
US6067165A Position calibrating method for optical measuring apparatus Physics 21 Expired
US7120286B2 Method and apparatus for three dimensional edge tracing with Z height adjustment Physics 14 Expired
US8957960B2 Machine vision system program editing environment including real time context generation features Emerging Cross-Sectional Technologies 10 Active
US9646425B2 Inspection program editing environment with editing environment automatically globally responsive to editing operations in any of its portions Physics 10 Active
US9639083B2 System and method for programming workpiece feature inspection operations for a coordinate measuring machine Emerging Cross-Sectional Technologies 8 Active
US8271895B2 GUI for programming step and repeat operations in a machine vision inspection system Physics 8 Active
US7333219B2 Handheld metrology imaging system and method Electricity 6 Expired
US9952586B2 Inspection program editing environment with simulation status and control continually responsive to selection operations Emerging Cross-Sectional Technologies 4 Active
US9976852B2 Inspection program editing environment providing user defined collision avoidance volumes with integral modification properties Emerging Cross-Sectional Technologies 2 Active
US12322073B2 Image processing model generation method, processing method, storage medium, and terminal Electricity 1 Active
US11860602B2 Inspection program editing environment with automatic transparency operations for occluded workpiece features Emerging Cross-Sectional Technologies 1 Active
US6381553B1 Methods and systems for determining a ball-grid array seating plane Electricity 1 Expired
US9933256B2 Inspection program editing environment including real-time feedback related to throughput Emerging Cross-Sectional Technologies 1 Active
US9444995B2 System and method for controlling a tracking autofocus (TAF) sensor in a machine vision inspection system Physics 1 Active
US11936186B2 Method and apparatus for evaluating a degree of frequency regulation urgency of a generator set, power system, and storage medium Emerging Cross-Sectional Technologies 0 Active
US9223306B2 System and method utilizing an editing initialization block in a part program editing environment in a machine vision system Emerging Cross-Sectional Technologies 0 Active
US10254113B2 Inspection program editing environment providing user defined collision avoidance volumes Emerging Cross-Sectional Technologies 0 Active
US10817716B2 Coarse-to-fine hand detection method using deep neural network Physics 0 Active

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