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ZHIGANG DU

Overview
  • Total Patents
    176
About

ZHIGANG DU has a total of 176 patent applications. Its first patent ever was published in 1998. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, biotechnology and weapons are QING LIU, ZHIMING ZHU and DENSEI KK.

Patent filings in countries

World map showing ZHIGANG DUs patent filings in countries
# Country Total Patents
#1 China 176

Patent filings per year

Chart showing ZHIGANG DUs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Environmental technology
#2 Biotechnology
#3 Weapons

Top inventors

# Name Total Patents
#1 Zhigang Du 146
#2 Du Zhigang 30

Latest patents

Publication Filing date Title
CN102800370A Device used in hydrogen nuclear fusion
CN102373947A Mine shaft full-automatic installation equipment used in stope face and equipped with personnel location
CN102373951A Coalface well lane full-automatic safety equipment with personnel positioning system
CN102373948A Heading face well lane full-automatic safety equipment with personnel positioning system
CN102383840A Full-automatic safety equipment of stoping-face well roadway with personnel positioning
CN102383837A Full-automatic safety facility with operator positioning function for well mine of excavating face
CN102383849A Full-automatic safety equipment mounted with personnel positioning device for well lane of stope
CN102383852A Full-automatic safety equipment of stoping-face well roadway with personnel positioning
CN102383853A Full-automatic safety equipment of driving-face well roadway with personnel positioning
CN102373950A Coalface well lane full-automatic safety equipment with personnel positioning system
CN102383851A Full-automatic safety equipment of driving-face well roadway with personnel positioning
CN102383841A Full-automatic safety equipment of stoping-face well roadway with personnel positioning
CN102383846A Full-automatic safety equipment with personnel positioning system for driving face roadway
CN102383835A Full-automatic safety equipment of driving-face well roadway with personnel positioning
CN102383848A Full-automatic safety equipment of driving-face well roadway with personnel positioning
CN102383844A Full-automatic safety equipment with personnel positioning system for heading stope roadway
CN102383839A Full-automatic safety equipment of driving-face well roadway with personnel positioning
CN102383842A Full-automatic safety equipment with personnel positioning function for tunneling working surface roadway
CN102383838A Full-automatic safety equipment with personnel positioning system for driving face roadway
CN102383847A Full-automatic safety equipment of driving-face well roadway with personnel positioning