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BEIJING NAT RAILWAY RES & DESIGN INST SIGNAL & COMMUNICATION LTD

Overview
  • Total Patents
    362
  • GoodIP Patent Rank
    4,103
  • Filing trend
    ⇧ 7.0%
About

BEIJING NAT RAILWAY RES & DESIGN INST SIGNAL & COMMUNICATION LTD has a total of 362 patent applications. It increased the IP activity by 7.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets transport, digital networks and computer technology are CRSC RESEARCH & DESIGN INSTITUTE GROUP CO LTD, HUNAN CRRC TIMES COMMUNICATION SIGNALS CO LTD and SHANGHAI FUXIN INTELLIGENT TRANSP SOLUTIONS CO LTD.

Patent filings in countries

World map showing BEIJING NAT RAILWAY RES & DESIGN INST SIGNAL & COMMUNICATION LTDs patent filings in countries
# Country Total Patents
#1 China 362

Patent filings per year

Chart showing BEIJING NAT RAILWAY RES & DESIGN INST SIGNAL & COMMUNICATION LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Zhixin 29
#2 Liu Jun 27
#3 Liu Ling 26
#4 Ao Qi 23
#5 Wei Wei 21
#6 Wei Feng 21
#7 Wang Lijun 21
#8 Shi Jin 20
#9 Lin Feng 19
#10 Chen Zhiqiang 19

Latest patents

Publication Filing date Title
CN112203491A Plug-in component for vehicle-mounted plug-in box and vehicle-mounted plug-in box
CN112153886A Electromagnetic shielding structure of vehicle-mounted plug-in box circuit board, plug-in and vehicle-mounted plug-in box
CN111994131A Ad hoc network-based vehicle receiving method and system and group computer interlock
CN111994130A Self-networking based departure method and system and group computer interlocking
CN112009526A Train group control method and system based on ad hoc network
CN111923931A Train dynamic grouping and compiling method and system based on ad hoc network
CN112046542A Installation device of railway steel rail monitoring equipment
CN111931386A Method and system for calculating congestion coefficient of regional multi-standard rail traffic interval
CN111932034A Regional multi-standard rail transit train operation scheme compiling method and system
CN111923968A Safety protection method and system for level crossing
CN112046552A Method and system for controlling brake of speed reducer
CN112158236A Intelligent freight train marshalling identification control method and system
CN112046554A Speed control method and system for hump sliding vehicle
CN111931296A Method, device and system for determining vehicle group energy level and computer readable storage medium
CN111923954A Method, device and system for determining head placing amount of vehicle set and computer readable storage medium
CN112046553A Method and system for controlling brake of speed reducer
CN111861290A Constraint method and system for regional multi-standard rail transit operation scheme
CN111859717A Method and system for minimizing regional multi-standard rail transit passenger congestion coefficient
CN111859718A Method and system for calculating congestion coefficient of regional multi-standard rail transit station
CN112188607A Digital automatic gain control system and method based on PID controller