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CRRC ZHUZHOU INST CO LTD

Overview
  • Total Patents
    674
  • GoodIP Patent Rank
    2,278
  • Filing trend
    ⇧ 16.0%
About

CRRC ZHUZHOU INST CO LTD has a total of 674 patent applications. It increased the IP activity by 16.0%. Its first patent ever was published in 2015. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets electrical machinery and energy, computer technology and digital networks are ZHENGZHOU JIACHEN ELECTRIC CO LTD, CRRC DALIAN ELECTRIC TRACTION R & D CENTER CO LTD and CONTROL TECHNIQUES LTD.

Patent filings per year

Chart showing CRRC ZHUZHOU INST CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mei Wenqing 134
#2 Xu Junfeng 80
#3 Feng Jianghua 79
#4 Wen Yuliang 73
#5 Shang Jing 69
#6 Zhang Zhixue 58
#7 Tang Jun 52
#8 Li Yanyong 49
#9 Liu Yong 49
#10 Luo Wenguang 45

Latest patents

Publication Filing date Title
CN112277912A Braking method and system for unmanned vehicle
CN112285738A Positioning method and device for rail transit vehicle
CN112287775A Motor fault diagnosis method and device and related components
CN112255530A Electrical equipment self-checking device and method of high-speed magnetic levitation traction system
CN112140898A Electromagnetic suspension structure for maglev train
CN112114599A Temperature control method and device of power device
CN112135489A Active heat exchange system and temperature control method thereof
CN112114204A Power supply ripple and noise auxiliary test system and test method
CN112152207A Control method and control device for power supply converter
CN112100112A Full duplex bus and train
CN112033473A Combined evaluation test method for welding reliability of electronic component
CN112061877A Wind generating set power cable winding and winding-off device and winding-off method
CN112283047A Load monitoring method and system based on wind turbine clearance monitoring
CN112145368A Compatible supporting and fixing method for finished product of wind generating set cabin
CN112003537A Direct torque control method and device for alternating current motor and related components
CN112003357A Circuit control method based on solid-state switch and solid-state switch
CN112152609A Phase-locked loop, method for controlling synchronization of grid voltage information and power electronic device
CN111953173A Magnetic-levitation train and long stator linear motor and long stator structure thereof
CN112152599A All-solid-state direct current circuit breaker
CN112072885A Superconducting long stator linear motor and control method thereof