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LI LAIJU

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    237,099
About

LI LAIJU has a total of 13 patent applications. Its first patent ever was published in 1995. It filed its patents most often in China. Its main competitors in its focus markets control are BERMAN DENNIS R, AMANO TAKESHI and YINGKOU JUCHENG TEACHING SCIENCE & TECHNOLOGY DEV CO LTD.

Patent filings in countries

World map showing LI LAIJUs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

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

Focus industries

# Industry
#1 Control

Focus technologies

# Technology
#1 Teaching materials

Top inventors

# Name Total Patents
#1 Li Laiju 11
#2 Laiju Li 2
#3 Dexiu Li 1

Latest patents

Publication Filing date Title
CN107293190A Drill easy device
CN103258456A Deductive device
CN103839456A Demonstration machine
CN102931883A Magnetic motor
CN1852018A Magnetic driving machine
CN1750382A Pyramid machine
CN1694342A Pyramid machine
CN1503446A Pyramid machine
CN1499706A Pyramid machine
CN1479445A Pyramid machine
CN1384475A Magnetomotive machine
CN1133509A Magnetic force mover
CN1130319A Magnetic motor