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DU HUIHONG

Overview
  • Total Patents
    18
About

DU HUIHONG has a total of 18 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are INST GEOKHIMII IM A P VINOGRAD, TOYO INST OF FOOD TECHNOLOGY and TIANJIN LANGFU CLOTHING CO LTD.

Patent filings in countries

World map showing DU HUIHONGs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing DU HUIHONGs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Du Huihong 18

Latest patents

Publication Filing date Title
CN103830052A Subway first-aid method and system
CN103428340A Contact method and device under low electric-quantity state of mobile phone
CN103416283A Method and device for intelligently identifying existence of persons in meadow
CN103426224A Mobile phone numbering reminding method and device
CN103424122A Scenic area navigation system based on bar code scanning technique
CN103366792A Safety U disk
CN103366796A Hard encrypted USB (Universal Serial Bus) flash disk
CN103359862A Process and system for treating nitrochlorobenzene ammonolysis wastewater
CN103366550A ETC technology-based taxi passenger refusal reporting system
CN103359802A Method and device for recovering ammonia from nitrochlorobenzene ammonolysis wastewater
CN103065483A Method for selecting driving route by using mobile phone technology and device thereof
CN103065571A Method for selecting visit spots by using mobile phone technology and device thereof
CN103049734A Method and system for finding person in public place
CN103035131A Method and device using mobile phone technique for choosing buses
CN103034964A Method and device using mobile phone technique for choosing restaurants
CN103034965A Method and device using mobile phone video technique for choosing classrooms
CN102982792A Method using mobile phone to tune musical instrument and device using mobile phone to tune musical instrument
CN102973255A Pressure measuring gloves