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CSR QINGDAO SIFANG CO LTD

Overview
  • Total Patents
    388
  • GoodIP Patent Rank
    4,336
About

CSR QINGDAO SIFANG CO LTD has a total of 388 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets transport, computer technology and machine tools are CRRC QINGDAO SIFANG CO LTD, CRRC CHANGCHUN RAILWAY VEHICLES CO LTD and SIEMENS AG ÖSTERREICH.

Patent filings in countries

World map showing CSR QINGDAO SIFANG CO LTDs patent filings in countries
# Country Total Patents
#1 China 388

Patent filings per year

Chart showing CSR QINGDAO SIFANG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liang Jianying 82
#2 Ding Sansan 77
#3 Tian Aiqin 60
#4 Deng Xiaojun 41
#5 Jiao Jinghai 36
#6 Gong Ming 34
#7 Ma Lijun 30
#8 Liu Shaoqing 30
#9 Wang Jun 29
#10 Liu Yuwen 26

Latest patents

Publication Filing date Title
CN105574258A Construction method and apparatus for spectrum platform of custom vehicle model of high-speed train
CN105373680A Design method and device for high-pressure system of high-speed train
CN105608253A Design method and apparatus for high-speed train traction system
CN105589992A Process control method and device for rapid design of high speed train
CN105608255A Process meta-model instance construction method and apparatus for customized high-speed train type
CN105447265A Business need treating method and device of high speed train design platform
CN105373681A Visualization technical index example construction method and device for custom-built train-type high-speed train
CN105574253A Method and device for designing braking system of high-speed train
CN105488291A Configuration rule processing method and apparatus for quick design of high-speed train
CN105550444A Requirement meta-model instance construction method and device of high-speed train customization type
CN105574252A Design method and system for high-speed train power component
CN105574248A Method and apparatus for constructing visual product meta-model instance of custom vehicle model of high-speed train
CN105574709A Process skip method and device for rapid design of high speed train
CN105512393A PDM (product data management) connection method and device for rapid design of high-speed train
CN105550411A Rapid design process event monitoring method and device of high speed train
CN105365833A Railway train, train body and processing technology thereof, and equipment compartment
CN105352750A System and method for testing air conditioning unit
CN105387788A Bogie pipeline positioning detection device and positioning and detection methods
CN105346549A Traction device for rail vehicle
CN105337554A Steering judging system and method of motor train unit traction electric machine