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BEIJING FOUR RINGS BIOPHARMACEUTICAL CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    164,283
  • Filing trend
    ⇩ 100.0%
About

BEIJING FOUR RINGS BIOPHARMACEUTICAL CO LTD has a total of 13 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets biotechnology, organic fine chemistry and pharmaceuticals are JIANGSU STEM CELL OSDBIO CO LTD, DYNE THERAPEUTICS INC and HEPAVEC AG FUER GENTHERAPIE.

Patent filings in countries

World map showing BEIJING FOUR RINGS BIOPHARMACEUTICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing BEIJING FOUR RINGS BIOPHARMACEUTICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Han Mingdi 13
#2 Sang Jianbin 10
#3 Long Yingguo 9
#4 Cheng Dusheng 9
#5 Xue Xia 8
#6 Guo Feng 3
#7 Gan Fu 1
#8 Zhang Wenxue 1
#9 Wang Xiaojian 1
#10 Yang Song 1

Latest patents

Publication Filing date Title
CN111171075A Preparation method of fosfluconazole
CN111019907A Cell strain for high-efficiency expression of recombinant human erythropoietin and production process thereof
CN110981874A Preparation method of moxifloxacin hydrochloride
CN107952063A Calcitonin piece and preparation method thereof
CN107937425A The production method of long-acting recombinant human erythropoietin
CN104984323A Recombinant human erythropoietin freeze-dried powder injection solution for injection
CN104906053A Human recombinant granulocyte colony-stimulating factor freeze-dried powder injection for injection
CN104189891A Recombinant human erythropoietin preparation without human albumin
CN104004082A Extraction method of recombinant human interleukin-2 fermentation inclusion body
CN103301064A Interleukin-2 or derivative nasal decongestant thereof and preparation method thereof
CN103233053A Production method for recombinant human granulocyte colony-stimulating factor
CN103205478A Method for industrially producing recombinant human erythropoietin