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HUNAN ZHENGQING PHARMACEUTICAL GROUP CO LTD

Overview
  • Total Patents
    52
  • GoodIP Patent Rank
    46,362
  • Filing trend
    ⇩ 25.0%
About

HUNAN ZHENGQING PHARMACEUTICAL GROUP CO LTD has a total of 52 patent applications. It decreased the IP activity by 25.0%. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and chemical engineering are CHENG JINSHENG, ZHANG SHUHUA and SHI LIANG.

Patent filings in countries

World map showing HUNAN ZHENGQING PHARMACEUTICAL GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 52

Patent filings per year

Chart showing HUNAN ZHENGQING PHARMACEUTICAL GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Qiu Ping 45
#2 Wu Feichi 41
#3 Peng Zuren 37
#4 Teng Jian 29
#5 Dong Shaoxiang 24
#6 Xu Li 18
#7 Wang Xiaowei 18
#8 Long Xianjun 17
#9 Wen Yingyi 16
#10 Yang Yuanxiang 12

Latest patents

Publication Filing date Title
CN110384947A Extract the second level cross-flow Centrifugical extraction tele-control system and method for cucoline
CN110398992A A kind of pH value remote adjustment system and method extracting cucoline
CN110327656A Extract the circulation second level cross-flow Centrifugical extraction tele-control system and method for cucoline
CN110354530A Extract the second level counterflow centrifugal extraction tele-control system and method for cucoline
CN110346477A Glibenclamide content assaying method in a kind of Chinese medicine compound prescription antidiabetic drug
CN110354534A Extract the one-stage centrifugal extraction tele-control system and method for cucoline
CN110161152A The detection method of impurity in a kind of Sinomenine
CN110143920A The extraction preparation method of Sinomenine in a kind of caulis sinomenii
CN110152348A Extract the second level cross-flow Centrifugical extraction control system and method for cucoline
CN110115858A Extract the circulation second level cross-flow Centrifugical extraction control system and method for cucoline
CN110156690A Extract the second level counterflow centrifugal extraction control system and method for cucoline
CN110179829A The combination of Gabapentin, Neurotropin and Sinomenine is preparing the application in the drug for treating PHN
CN110357818A A kind of concentration detection method and device for the extraction cucoline in caulis sinomenii
CN110162112A A kind of pH value regulating device and method for extracting cucoline
CN110156689A A kind of extracting method of cucoline
CN110180211A A kind of heavy diacolation automation control method and device extracting Sinomenine
CN110117137A A kind of method and system of Sinomenine production sewage treatment
CN109975462A A kind of caulis sinomenii diacolation course end judgment method
CN109566245A A kind of method of quick breeding caulis sinomenii
CN108398517A A kind of method of potential Allergen in screening Zhengqingfengtongning preparation