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BEIJING NATIONAL RAILWAY RES & DESIGN INSTITUTE OF SIGNAL & COMMUNICATION GROUP CO LTD

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    131,832
  • Filing trend
    ⇩ 100.0%
About

BEIJING NATIONAL RAILWAY RES & DESIGN INSTITUTE OF SIGNAL & COMMUNICATION GROUP CO LTD has a total of 15 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2012. It filed its patents most often in WIPO (World Intellectual Property Organization), EPO (European Patent Office) and Hungary. Its main competitors in its focus markets transport, control and electrical machinery and energy are CHENGDU 91R INTELLIGENT TECH CO LTD, HUNAN CRRC TIMES SIGNAL & COMMUNICATION CO LTD and METROM RAIL LLC.

Patent filings in countries

World map showing BEIJING NATIONAL RAILWAY RES & DESIGN INSTITUTE OF SIGNAL & COMMUNICATION GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 WIPO (World Intellectual Property Organization) 12
#2 EPO (European Patent Office) 2
#3 Hungary 1

Patent filings per year

Chart showing BEIJING NATIONAL RAILWAY RES & DESIGN INSTITUTE OF SIGNAL & COMMUNICATION GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Zongqi 4
#2 Yan Xiang 3
#3 Yan Youwei 3
#4 Qiao Zhichao 3
#5 He Dan 2
#6 Zhang Lu 2
#7 Chen Jianxin 2
#8 Hou Xili 2
#9 Lin Feng 2
#10 Zhao Guimin 2

Latest patents

Publication Filing date Title
WO2018082408A1 Traction return current apparatus
WO2018113194A1 High-voltage pulse rail circuit system
WO2018120628A1 Protection circuit based on choke transformer
WO2017215424A1 Railway signal cable grounding system
WO2017198140A1 Condition information acquisition circuit and method for fault guiding security
WO2017198139A1 Track circuit transmitter, and method of realizing fail-safe capability
HUE044226T2 Railway train safety monitoring and processing method based on radio block center