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LIU QIWEI

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    185,493
About

LIU QIWEI has a total of 12 patent applications. Its first patent ever was published in 1990. It filed its patents most often in China. Its main competitors in its focus markets medical technology are SHANDONG WEIGAO OPERATION ROBOT CO LTD, HOSPITAL PROD LTD and JIANGSU SHUANGYANG MEDICAL INSTR CO LTD.

Patent filings in countries

World map showing LIU QIWEIs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

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

Focus industries

# Industry
#1 Medical technology

Focus technologies

# Technology
#1 Diagnosis and surgery

Top inventors

# Name Total Patents
#1 Liu Qiwei 10
#2 Luo Wenlin 3
#3 Qiwei Liu 2
#4 Wang Chengming 2
#5 Zhai Ruixing 1
#6 Wang Jian 1
#7 Yang Peng 1
#8 Xiao Peng 1
#9 Li Jie 1
#10 Zhao Jiajun 1

Latest patents

Publication Filing date Title
CN110786894A Snare device for endoscopic EMR or ESD surgery
CN110301950A Automatic suturing mechanism and its application method for Minimally Invasive Surgery
CN110301973A Hand-held bipolar hemostatic forceps device and its application method
CN110141304A Biliary tract continuously arranges stone device and its application method
CN110063706A Superfine fibre mirror system and its application method with guide function
CN109770832A Superfine electric endoscopic system and its application method with guide function
CN104153303A Method for replacing self-balancing backpressure type bridge single-support
CN102392420A Vertical crack grouting and reinforcing method of prestressed concrete hollow slab bridge bottom plate
CN101581071A Method for reducing disadvantageous temperature effect on main girder structure of bridge and deck pavement structure
CN1789563A Grouting quality control system utilizing prestressing force post tensioning method
CN1076593A The method for production of lycium sinensis jam as tonic food
CN1062841A The manufacture method of rich nutriment made of dried medlar