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LIU YUNQING

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    194,799
About

LIU YUNQING has a total of 21 patent applications. Its first patent ever was published in 2000. It filed its patents most often in China, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets pharmaceuticals, micro-structure and nano-technology and macromolecular chemistry and polymers are BELLUSCIO DANIEL OSCAR, DILAFOR AB and YEDGAR SAUL.

Patent filings per year

Chart showing LIU YUNQINGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Yunqing 18
#2 Liu Wei 12
#3 Liu Xiying 11
#4 Liu Tong 11
#5 Liu Yaotian 2
#6 Lu Shaomin 2
#7 Liu Xin 1
#8 Liu Xiving 1
#9 Liu Yunqing Liu 1
#10 Liu Hua 1

Latest patents

Publication Filing date Title
CN104259968A Screw pump iso-wall thickness metal stator cavity finish machining device and machining method thereof
CN104259305A Screw pump iso-wall-thickness metal stator machining device and forming method thereof
CN104279157A Screw pump with metal stator with equal wall thickness
CN104041208A Horizontal movement crankshaft structure of half-ridge buckling plough share
CN104081891A Worm and gear angle adjusting mechanism of plough share
CN103299738A Gear rotating crank shaft type half-buckled plough tool
CN1622508A One-time password table based one-time password generation and authentication system and method
EP1543841A1 Soild nano pharmaceutical formulation and preparation method thereof
CN1502332A Process for preparing taxol self-emulsified solid nano granule-injection taxol of anti-cancer medicine
CN1475205A Medicine conveying system--preparation method of solid nano medicine
CN1379047A Match of organic medicine and beta-cyclodextrin derivative and its preparing process
CN1333042A Lxeris debilis extract preparation and application thereof