Four utility model patents of Xi’an Institute of Optics and Precision Mechanics (XIOPM), CAS, were authorized by the state, including "An Imager Integrated Full Color and Hyperspectral Polarization Detection Capability" (Patent No. 200920245469.6), "A Phase Plate and Expansion Depth of Field Imaging System with Application of the Phase Plate" (Patent No. 201020020576.1), "An Automatic Calibration Device of Laser Parameters’ Performance Test" (Patent No. 201020510474.8) and "A High Power Switch with Remote Control" (Patent No. 201020550695.8).