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LI QINGJIE

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    162,700
  • Filing trend
    ⇧ 66.0%
About

LI QINGJIE has a total of 11 patent applications. It increased the IP activity by 66.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, machine tools and surface technology and coating are MA ANSHAN YIHUA HYDRAULIC MACHINES CO LTD, SUZHOU LIEZHIAIMENG NEW MATERIAL TECHNOLOGY TRANSFER CO LTD and Qingdao xingchen machine tool co ltd.

Patent filings in countries

World map showing LI QINGJIEs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing LI QINGJIEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Qingjie 11
#2 Ma Jinzhong 5
#3 Wang Lianping 2
#4 Li Lin 1
#5 Zhang Xianchen 1
#6 Cheng Guangyu 1
#7 Chu Hongbo 1

Latest patents

Publication Filing date Title
CN111962060A Manufacturing method of surface high-speed laser cladding passenger special line railway turnout sliding type bedplate
CN108755304A A kind of rail defects and failures weld seam bracing means
CN108914119A A kind of preparation method incuding cladding slider bed platen
CN108914022A A kind of preparation method of cast-sintering slider bed platen
CN108030524A A kind of surgical operation extension fixture expansion part
CN107928728A A kind of surgical dilator expansion part
CN107441126A It is a kind of that there is macro fungi composition for improving NK cell tumour killing activities and preparation method thereof
CN106868953A One kind insulation rail clip and insulated gage rod
CN106166674A A kind of expansion bolt assembles equipment
CN103041060A Drug composition conducive to improvement of memory and adjunctive treatment of senile dementia