Inventor · Beijing, CN

Qingjun Zhang

87Patents
5h-index
123Co-inventors
71Inventor score

Filing activity: May 31, 2006 → Jun 14, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7724869B2 Detector array and device using the same Physics 39 Active
US7470914B2 Dual-array detector module Physics 19 Active
US7429738B2 Solid state detector module structure and radiation imaging system Physics 16 Active
US7492861B2 Apparatus and method for quick imaging and inspecting moving target Physics 9 Active
US8129691B2 Security inspection door Physics 5 Active
US7807964B2 Ion mobility spectrometer and method thereof Electricity 5 Active
US8013297B2 Ion gate for dual ion mobility spectrometer and method thereof Electricity 4 Active
US8288718B2 Ion mobility spectrometer and detecting method using the same Physics 4 Active
US10473795B2 Large-area X-ray gas detector Physics 4 Active
US7684541B2 System and method capable of simultaneous radiographic examination and radioactive material inspection Physics 4 Active
US7848485B2 Trailer security inspection system Physics 3 Active
US7688945B2 System for image inspection of movable object and dodging method Physics 3 Active
US9618484B2 General sample injector, gas chromatograph and combined spectrometer Physics 2 Active
US8405024B2 Ion mobility spectrometer Physics 2 Active
US10215666B2 Sample injection device and method for sample collection and sample thermal desorption, and trace detection apparatus Physics 2 Active
US9771515B2 Process for the preparation of gadolinium oxysulfide scintillation ceramics Chemistry; Metallurgy 2 Active
US8362422B2 Sample feeding device for ion mobility spectrometer, method of using the same and ion mobility spectrometer Physics 2 Active
US10539531B2 Detection apparatus and detection method Physics 2 Active
US9464997B2 Methods and apparatuses for measuring effective atomic number of an object Physics 2 Active
US7512212B2 Multi-array detector module structure for radiation imaging Physics 2 Active
US7911592B2 Method and system for identifying moving object, and method and system for inspecting moving object by radiation imaging Physics 2 Active
US8217365B2 Double-faced ion source Electricity 1 Active
US8084737B2 Array-based ion storage system and method therefor Physics 1 Active
US10699887B2 Preparation and feed apparatus of standard sample for calibration of trace-analysis instrument Physics 1 Active
US10466372B2 X-ray beam intensity monitoring device and X-ray inspection Electricity 1 Active

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