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ZHOU WEIHAI

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    209,025
About

ZHOU WEIHAI has a total of 12 patent applications. Its first patent ever was published in 2003. It filed its patents most often in China. Its main competitors in its focus markets pharmaceuticals, foods and drinks and biotechnology are INST RECH BIOLOG SA, BIOTICS RES CORP and VITAFLO INT LTD.

Patent filings in countries

World map showing ZHOU WEIHAIs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Zhou Weihai 8
#2 Zhou Weihai Zhou 4
#3 Liao Xiyun 2
#4 Li Huanhua 2

Latest patents

Publication Filing date Title
CN110623275A Composite amino acid gilt-edged leech polypeptide food with anticoagulant and antithrombotic effects and preparation method thereof
CN110585424A Preparation method of leech polypeptide medicinal liquor for preventing and treating cardiovascular and cerebrovascular diseases
CN104151425A Large-scale production method for natural hirudin
CN101019964A Health wine with leech and its production process
CN101008026A Method for preparing silkworm chrysalis polypeptide using complex enzyme for hydrolyzing silkworm chrysalis
CN1840176A Sublingual tablet of natural hirudin
CN1840175A Ointment of natural hirudin
CN1732897A Face-beautifying skin-caring lotion with leech extract and its preparation process
CN1729861A Polypeptide food and its production process
CN1522689A Leech extract cosmetics and method for making same
CN1423929A Culture of hiruto and extraction of hirutin
CN1839689A Aartificial breedubg method for P.manil-lensis