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CHANGZHOU NO 4 PHARMACEUTICAL FACTORY CO LTD

Overview
  • Total Patents
    49
  • GoodIP Patent Rank
    51,605
  • Filing trend
    ⇩ 20.0%
About

CHANGZHOU NO 4 PHARMACEUTICAL FACTORY CO LTD has a total of 49 patent applications. It decreased the IP activity by 20.0%. Its first patent ever was published in 2005. It filed its patents most often in China, Australia and Brazil. Its main competitors in its focus markets pharmaceuticals, organic fine chemistry and measurement are COLTHURST LTD, HETERO LABS LTD and INVICTUS ONCOLOGY PVT LTD.

Patent filings per year

Chart showing CHANGZHOU NO 4 PHARMACEUTICAL FACTORY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tu Yongrui 38
#2 Fan Xinhua 16
#3 He Yun 15
#4 Sun Yongqiang 14
#5 Zhou Yueyu 14
#6 Yan Yimin 13
#7 Feng Xiaohui 10
#8 Qian Mingxia 10
#9 Zhang Xiang 9
#10 Zhang Mingjie 9

Latest patents

Publication Filing date Title
CN112057417A Carprostenol tromethamine injection and preparation method thereof
CN111888330A Diazoxide oral suspension solution and preparation method thereof
CN111773179A Minocycline hydrochloride ointment and preparation method thereof
CN111588692A Pramipexole dihydrochloride oral solution
CN111012748A Vitamin B12 preparation and preparation method thereof
CN109330982A Epoprostenol freeze-dried powder and preparation method thereof
CN108186586A A kind of Allylestrenol tablet and preparation method thereof
CN108096199A A kind of injection omeprazole sodium and preparation method
CN107753446A A kind of Rasagiline tablet and preparation method thereof
CN108403668A Valsartan orally disintegrating film and preparation method thereof
CN106389392A Tadalafil oral soluble film agent and preparation method
CN107915720A The new preparation process of Wo Nuolazan
CN107875132A A kind of felodipine sustained-release preparation composition and preparation method thereof
CN107540720A 3 α, the β cholanic acid crystal formations H of 7 α dihydroxy, 6 α ethyls 5 and its preparation method and application
CN107540656A A kind of preparation method of SYR-322
CN105687150A Revaprazan hydrochloride composition and preparing method
CN105669810A Impurity of ulipristal acetate and preparation and detecting method of impurity
CN105566432A Ulipristal acetate impurities and preparation and detection method thereof
CN105566431A Ulipristal acetate impurities and preparation and detection method thereof
CN105536128A Applying and smearing device for administration of auxiliary semi-solid preparation and liquid preparation