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UNIV CHANGCHUN SCIENCE & TECH

Overview
  • Total Patents
    2,598
  • GoodIP Patent Rank
    825
  • Filing trend
    ⇧ 31.0%
About

UNIV CHANGCHUN SCIENCE & TECH has a total of 2,598 patent applications. It increased the IP activity by 31.0%. Its first patent ever was published in 2003. It filed its patents most often in China, Australia and Canada. Its main competitors in its focus markets optics, measurement and computer technology are SHANGHAI INST OPTICS & FINE MECH CAS, XIAN INST OPTICS & PREC MECHANICS CAS and INST NAT OPTIQUE.

Patent filings in countries

World map showing UNIV CHANGCHUN SCIENCE & TECHs patent filings in countries

Patent filings per year

Chart showing UNIV CHANGCHUN SCIENCE & TECHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Huamin 126
#2 Wang Jinxian 111
#3 Yu Wensheng 110
#4 Dong Xiangting 106
#5 Liu Guixia 103
#6 Li Junye 102
#7 Jiang Zhengang 99
#8 Jiang Huilin 96
#9 Zhang Xinming 94
#10 Xu Jinkai 87

Latest patents

Publication Filing date Title
CN112234428A Three-wavelength double-end comprehensive pumping Cr Er YSGG acousto-optic Q-switched laser and absorption rate enhancing method
CN112247822A High-precision valve body inner surface machining device
CN112192433A Abrasive flow precision machining valve core nozzle equipment
CN112222539A Equipment for precisely machining bevel gear by abrasive particle flow
CN112192432A High-precision impeller polishing equipment
CN112285916A Portable ultra-thin structure of looking into far away
CN112260053A High-efficiency stacked-array semiconductor laser
CN112251779A Micron-scale local electrochemical deposition device and working method thereof
CN112285153A High-precision room-temperature Seebeck coefficient testing equipment
CN112281216A Preparation method of TASGG magneto-optical crystal
CN112193821A Industrial detonator explosion-proof gripper and intrinsically safe working motion trajectory planning method thereof
CN112209714A Preparation technology of one-step-formed sintered aluminum-based garnet type luminescent ceramic
CN112175617A Preparation technology for synthesizing YAG fluorescent material with controllable granularity at low temperature
CN112276267A Titanium alloy weak-rigidity part precision linear cutting clamping device and working method thereof
CN112170817A Casting mold cooling device and cooling method
CN112276568A Desktop type high-low speed double-spindle micro part turning and milling composite machine tool
CN112285386A Detection method of tumor exosome induced cell malignant change process based on atomic force microscopy
CN112201126A Optical fiber amplifier spontaneous radiation noise suppression experimental device, system and process
CN112165615A Objective evaluation method for stereo image viewing comfort
CN112183862A Traffic flow prediction method and system for urban road network