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ZHANG DEFU

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    147,191
About

ZHANG DEFU has a total of 15 patent applications. Its first patent ever was published in 2000. It filed its patents most often in China. Its main competitors in its focus markets computer technology, it methods for management and control are HENAN JUHE SCIENCE & TECH CO LTD, SICHUAN JIUJIU HECHUANG INFORMATION TECH CO LTD and HEFEI ZHISHENG XINCHUANG INFORMATION TECH CO LTD.

Patent filings in countries

World map showing ZHANG DEFUs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing ZHANG DEFUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Defu 14
#2 Chen Yongliang 2
#3 Chen Wenhai 2
#4 Zhang Defu Zhai 1
#5 Huang Chengchi 1
#6 Cao Kai 1

Latest patents

Publication Filing date Title
CN111815325A Third-party internet payment method and system based on internet
CN111814052A Mobile internet user management method, device, server and readable storage medium
CN111815414A Internet sales ordering method, device and system
CN111835753A Parking method, device and system based on Internet
CN111722570A Internet terminal control method and system
CN109760577A A kind of intelligent library transportation robot
CN109706992A A kind of communication network development device
CN109632488A A kind of new material variable environment tensile test apparatus
CN105875487A Microporous aerator with water stirring function
CN107149354A Voluntarily splice big photo frame
CN105476351A Novel single-cover frame strip and mounting process thereof
CN104886993A Double-cover photo frame and installation steps thereof
CN103240049A Reactor for industrially producing monodisperse nano materials
CN1586100A Spring tine tyne rice weeder
CN1331049A Process and equipment for preparing nm zinc oxide