Learn more

SHANGHAI QISHENG BIOLOG PREPARATION CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    204,676
About

SHANGHAI QISHENG BIOLOG PREPARATION CO LTD has a total of 17 patent applications. Its first patent ever was published in 2006. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are Anhui juyi automation equipment co ltd, NANTONG HUIFENG ELECTRONIC TECHNOLOGY CO LTD and YAMATO TRACKWORK SYSTEM CO LTD.

Patent filings in countries

World map showing SHANGHAI QISHENG BIOLOG PREPARATION CO LTDs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing SHANGHAI QISHENG BIOLOG PREPARATION CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Wei Changzheng 9
#2 Xi Hongwei 8
#3 Jiang Lixia 8
#4 Lixia Jiang 4
#5 Hou Chunlin 4
#6 Wu Jianying 3
#7 Li Lili 3
#8 Wang Wenbin 3
#9 Qisheng Gu 2
#10 Wenbin Wang 2

Latest patents

Publication Filing date Title
CN104761734A Preparation method of amino acid crosslinked sodium hyaluronate gel
CN104761657A Method for separation and purification of thermo-sensitive hydroxybutyl chitosan by phase transformation
CN104761736A Preparation method for cross-linked sodium hyaluronate gel with asymmetric structure
CN104761735A Preparation method of cross-linked sodium hyaluronate gel having hyaluronidase activity inhibiting effect
CN103146003A Preparation method of low-temperature secondary cross-linked sodium hyaluronate gel
CN103923227A Temperature-sensitive chitosan derivative
CN103923962A I type collagen monomer sponge preparation method
CN103172762A Preparation method of medical grade temperature sensitive chitosan blocking agent used for preventing leakage of cerebrospinal fluid
CN102757572A Preparation method for agranular crosslinking sodium hyaluronate with high-temperature-resistant and enzymatic-hydrolysis-resistant characteristics
CN102526811A Preparation method and application of degradable carboxymethyl chitosan composite nerve conduit
CN102188712A Method for preparing injectable microgelparticles
CN102018994A Research and development on degradable artificial lacrimal canaliculi
CN101890182A Preparation method of medical hyaluronic acid gel preparation for sterilizing high-pressure steam
CN101829062A Taxol slow release microballoons and preparation method thereof
CN101284884A Preparation method of temperature sensitivity chitosan derivate-hydroxybutyl chitosan
CN101172169A Method for preparing degradable artificial ductulus lacrimalis
CN101036808A Cross-linked hyaluronic acid derivatives preparation and the preparing technique