WZ

Wenhua Zhang

MI Metrologic Instruments: 39 patents #28 of 189Top 15%
MC Mcube: 11 patents #4 of 53Top 8%
HP HP: 6 patents #2,518 of 16,619Top 20%
CK Chinese University Of Hong Kong: 1 patents #230 of 734Top 35%
NC North University Of China: 1 patents #56 of 170Top 35%
SC State Grid Corporation Of China: 1 patents #289 of 1,453Top 20%
📍 San Jose, CA: #698 of 32,062 inventorsTop 3%
🗺 California: #5,800 of 386,348 inventorsTop 2%
Overall (All Time): #39,253 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 51–60 of 60 patents

Patent #TitleCo-InventorsDate
7237722 Hand-supported imaging-based bar code symbol reader employing a multi-mode image-processing based bar code reading subsystem with modular image-processing architecture Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more 2007-07-03
7225988 Hand-supportable imaging-based bar code symbol reader employing a tri-mode led-based illumination subsystem Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more 2007-06-05
7225989 Method of performing auto-discrimination of 1D/2D bar code symbologies in a semi-automatic hand-supportable imaging-based bar code symbol reader having narrow-area and wide-area image capture modes of operation Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more 2007-06-05
7216810 Hand-supportable multi-mode digital imaging-based bar code symbol reader employing an automatic illumination and exposure control subsystem that automatically controls the operation of a multi-mode led-based illumination subsystem so that detected objects are sufficiently illuminated and good quality digital images thereof are formed and detected Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more 2007-05-15
7213762 Hand-supportable imaging-based bar code symbol reader employing a CMOS-type image sensing array in combination with a band-pass optical filter subsystem, narrow-band illumination subsystem, and automatic light exposure measurement and illumination control subsystem Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more 2007-05-08
7188770 Hand-supportable semi-automatic imaging-based bar code reading system wherein an led-based illumination subsystem automatically illuminates a detected target object in a narrow-area field of illumination, and illuminates the detected target object in a wide-area field of illumination upon manual activation of a trigger switch Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more 2007-03-13
7185817 Hand-supportable digital imaging-based bar codes symbol reader employing multi-mode subsystems Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more 2007-03-06
7178733 Hand-supportable imaging-based bar code symbol reader employing automatic object presence and range detection to control the generation of near-field and far-field wide-area illumination during bar code symbol imaging operations Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more 2007-02-20
7128266 Hand-supportable digital imaging-based bar code symbol reader supporting narrow-area and wide-area modes of illumination and image capture Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more 2006-10-31
7086595 METHOD OF AND APPARATUS FOR PROCESSING CAPTURED DIGITAL IMAGES OF OBJECTS WITHIN A SEMI-AUTOMATIC HAND-SUPPORTABLE IMAGING-BASED BAR CODE SYMBOL READER SO AS TO READ 1D AND/OR 2D BAR CODE SYMBOLS GRAPHICALLY REPRESENTED THEREIN Xiaoxun Zhu, Yong Liu, Ka Man Au, Rui Hou, Hongpeng Yu +12 more 2006-08-08