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SHANGHAI DAHUA SURVEYING & MAPPING CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    98,009
  • Filing trend
    ⇧ 133.0%
About

SHANGHAI DAHUA SURVEYING & MAPPING CO LTD has a total of 22 patent applications. It increased the IP activity by 133.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets measurement, telecommunications and civil engineering are NORTHWEST INSTR (SHANGHAI) CO LTD, NORTHWEST INSTR SHANGHAI CO LTD and SENSEWHERE LTD.

Patent filings in countries

World map showing SHANGHAI DAHUA SURVEYING & MAPPING CO LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing SHANGHAI DAHUA SURVEYING & MAPPING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Hong 11
#2 Jiao Yongqiang 6
#3 Wan Lijian 6
#4 Wu Bin 5
#5 Wang Bo 4
#6 Zhao Zhichong 4
#7 Zhang Xingqiang 4
#8 Zhu Hai 3
#9 Miao Linhao 3
#10 Wang Chaojin 3

Latest patents

Publication Filing date Title
CN111636495A Deep level displacement monitoring device and monitoring method
CN109495161A Data penetration transmission equipment and data penetration transmission method
CN109612549A A kind of detection system and detection method of real time tide level
CN109104692A Multilink wireless communication network system
CN108955523A A kind of detection method of armour
CN108889136A A kind of water sample filtering device and method
CN109033494A A kind of coastal remote region tidal level projectional technique
CN108344421A A kind of ship basis coordinates system and its method for building up
CN108106546A A kind of sand carrier side's amount measurement method
CN107655539A Water level monitoring method and system
CN106908778A Detecting system and detection method
CN106526598A Side-scan sonar underwater high-precision positioning system and method
CN106323232A Observation rod structure for natural mud surface sedimentation of deep water
CN106017432A Fixed sub-bottom profiling device
CN106371115A Beidou short message technology based multi-mode and multi-frequency maritime precisely positioning method
CN105758380A Inclination measuring instrument and method
CN105421324A Burying method for pore water pressure gauges
CN103713296A Compass multi-card terminal device and system
CN103702454A Beidou cluster data transmission terminal equipment and system
CN102735310A Self-contained tide level meter