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CHANG HUI

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    215,830
About

CHANG HUI has a total of 12 patent applications. Its first patent ever was published in 1997. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry and measurement are Chengdu zihao pharmaceutical co ltd, HANGZHOU AOYIPOLLEN PHARMACEUTICAL CO LTD and SHANDONG JINCHENG MEDICINE CHEMICAL CO LTD.

Patent filings in countries

World map showing CHANG HUIs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing CHANG HUIs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Chang Hui 12
#2 Ma Jun 3
#3 Li Mai 3
#4 Wang Yanli 3
#5 Sun Wei 2
#6 Wen Yan 1
#7 Yuan Xin 1
#8 Hu Jingsong 1
#9 Ma Shu 1
#10 Yang Xingmin 1

Latest patents

Publication Filing date Title
CN109001447A The information acquisition system of joint marker for diagnosis of polycystic ovary syndrome
CN104307315A Ammonia absorber and ammonia water preparation absorbing system
CN103816157A Compound for treating ulcerative colitis and application thereof
CN103804317A Compounds for treatment of schizophrenia and their use
CN103800345A Compounds for treatment of schizophrenia and their use
CN103800339A Compounds for treatment of schizophrenia and their use
CN103800335A Compounds for treatment of schizophrenia and their use
CN103804353A Compounds for treatment of schizophrenia and their use
CN103622967A Application of tozasertib in preparation of drugs for treating ischemic brain injury
CN103622966A Application of tozasertib in preparation of drugs for treating schizophrenia
CN103622968A Application of tozasertib in preparation of drug for treating glaucoma disease
CN1168803A Chinese patent drug for treating cancer and leukothrombopenia