Learn more

LIU DA

Overview
  • Total Patents
    29
  • GoodIP Patent Rank
    107,735
  • Filing trend
    ⇩ 100.0%
About

LIU DA has a total of 29 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2003. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and environmental technology are IML INT, SHENZHEN CHK TECHNOLOGY CO LTD and NEOFOCAL SYSTEMS INC.

Patent filings in countries

World map showing LIU DAs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Liu Da 29
#2 Liu Zikai 3
#3 Liu Ziyu 3
#4 Hu Zhouyan 2
#5 Lee Sheng-Tai 2
#6 Tang Keliang 2
#7 Lin Yung Lin 1
#8 Lin Yung-Lin 1
#9 Spenea Horia Udrea 1
#10 Lin Chang-Yi 1

Latest patents

Publication Filing date Title
CN111888179A Otolaryngology branch of academic or vocational study is with diagnosing device
CN111493801A Portable endoscope for otolaryngological department
CN111493976A Multifunctional foreign matter extractor for ear-nose-throat department
WO2018201268A1 Tray transport apparatus
WO2018201269A1 Workpiece fixing device
WO2018195982A1 Separation device for double-sided adhesive tape
WO2018195862A1 Conduction checking device
WO2018195842A1 Method and system for implementing user self-service
WO2018195846A1 Sealing structure of soft infusion bag
WO2018195838A1 Impeller turbine assembly and turbocharger
CN106545762A A kind of light-operated LED lamp tube
CN104972038A Forging forming technology of lifting hook
CN104972239A Full welding technology of steel plate hot rolling pulley
CN104964879A Computer control electro-hydraulic servo enclosed-loop horizontal type tension tester
CN103969655A Accurate distance measurement device and method based on capacitor discharge voltage time difference
CN103984040A Biological recognition method based on infrared sensor array algorithm
CN103433411A Vertical hot-rolling pulley machine
CN104343089A Automatic automobile warning sign placement trolley
CN104043708A Lifting hook bending machine
US2013257754A1 Display systems with touch screens