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LIU YANHUA

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    170,122
  • Filing trend
    ⇩ 50.0%
About

LIU YANHUA has a total of 14 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 1992. It filed its patents most often in China. Its main competitors in its focus markets agriculture, medical technology and pharmaceuticals are ZHOU GUANGGANG, ZHANGJIAGANG XIEHE MEDICAL APPARATUS & INSTR CO LTD and VISCO ANTHONY G.

Patent filings in countries

World map showing LIU YANHUAs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Liu Yanhua 11
#2 Xie Xiulan 2
#3 Yu Jinhui 1
#4 Shen Chengbin 1
#5 Li Mingming 1
#6 Xie Hui 1
#7 Gao Yingchun 1
#8 Shao Mingxiang 1
#9 Wang Yurong 1
#10 Zheng Zilong 1

Latest patents

Publication Filing date Title
CN110812090A Obstetric apparatus suitable for obstetrical clinic
CN110812096A Clinical examination seat of using of gynaecology and obstetrics of being convenient for
CN110199749A The construction method of growing thickly treescape
CN110178633A The method of north of china in winter Deciduous And Broadleaf Trees dead leaf Scene construction
CN108669895A It is a kind of manually with electromotion integrated turning-folding bed
CN108030905A Black tea lavipeditum bag and preparation method thereof
CN106930223A Ice and snow road snow-clearing car
CN108012974A A kind of Multifunction water-saving fish jar
CN105055967A Compound health care product having auxiliary blood sugar reducing function and preparation method
CN104544706A Multifunctional sports shoe
CN103386003A Drug for treating diarrhea and preparation method thereof
CN101150363A A monitoring device for handheld passive optical network link
CN101028446A Medicine for symptomatic dry eye
CN1076740A The grooving of ring bobbin and process for treating surface