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ZHOU ZHENHUA

Overview
  • Total Patents
    42
  • GoodIP Patent Rank
    112,993
  • Filing trend
    ⇩ 85.0%
About

ZHOU ZHENHUA has a total of 42 patent applications. It decreased the IP activity by 85.0%. Its first patent ever was published in 1996. It filed its patents most often in United States, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets organic fine chemistry, chemical engineering and environmental technology are HIGHCHEM TECH CO LTD, SHANGHAI HUAYI ACRYLIC ACID CO and HE CHUANHUA.

Patent filings in countries

World map showing ZHOU ZHENHUAs patent filings in countries

Patent filings per year

Chart showing ZHOU ZHENHUAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhou Zhenhua 40
#2 Weiner Heiko 22
#3 Johnston Victor J 10
#4 Wollrab Radmila 7
#5 Jevtic Radmila 6
#6 Kumar Dheeraj 5
#7 Johnston Victor 4
#8 Tu Xiaoyan 3
#9 Li Hangzhou 2
#10 Zhao Min 2

Latest patents

Publication Filing date Title
CN112078283A Method and set for spacing based on pencil sharpener and pencil holder and keeping thickness of pencil without changing pencil holder
CN111992003A Desulfurization equipment for chemical production of fountain multi-range activity
CN112144486A Movable retaining dam with dredging function
CN108578828A Alarm set when a kind of internal medicine nursing transfusion meter
WO2019075709A1 Straight-channel hysteroscope
WO2019075710A1 Hysteroscope
WO2019075707A1 Large-channel endoscope for straight insertion
WO2019075706A1 Distal tip portion having irregular cylindrical structure, endoscope, and method for manufacturing same
WO2019075708A1 Multi-section bending tube having graduated rigidity, and insertion tube and endoscope using same
WO2019075705A1 Protective sheath, hysteroscope equipped therewith, and nephroscope equipped with same
CN106627653A Retarder capable of automatically measuring braking force
CN106777666A Finishing instructs drawing generating method and device
CN107770233A A kind of fitment process management-control method and device
CN105168892A Chinese herbal preparation for treating hypoglycemia and preparing method of Chinese herbal preparation
CN103784803A Medicine for treating chronic pharyngitis and preparation method
CN103585298A Externally-used traditional Chinese medicinal soup for treating insect bites and stings
US2013165700A1 Catalysts comprising secondary noble metals and process for producing ethanol
US8455702B1 Cobalt and tin catalysts for producing ethanol
US2013165701A1 Catalysts having promoter metals and process for producing ethanol
US2012238786A1 Reduction of acid within column through esterification during the production of alcohols