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DONGGUAN LITTELFUSE ELECTRONICS CO LTD

Overview
  • Total Patents
    31
  • GoodIP Patent Rank
    55,678
  • Filing trend
    ⇩ 55.0%
About

DONGGUAN LITTELFUSE ELECTRONICS CO LTD has a total of 31 patent applications. It decreased the IP activity by 55.0%. Its first patent ever was published in 2006. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets electrical machinery and energy and audio-visual technology are OTOWA ELECTRIC, CERNICKA JOZEF and MICRON ELECTRIC CO LTD.

Patent filings in countries

World map showing DONGGUAN LITTELFUSE ELECTRONICS CO LTDs patent filings in countries
# Country Total Patents
#1 China 10
#2 WIPO (World Intellectual Property Organization) 10
#3 United States 7
#4 EPO (European Patent Office) 2
#5 Japan 1
#6 Taiwan 1

Patent filings per year

Chart showing DONGGUAN LITTELFUSE ELECTRONICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Wen 17
#2 Tang Hailang 11
#3 Cheng Hao 10
#4 Xiao Yanjing 6
#5 Song Dongjian 6
#6 Lu Libing 4
#7 Yu Dong 4
#8 Wu Yan'An 3
#9 Shu Xia 3
#10 Matus Yuriy B 2

Latest patents

Publication Filing date Title
WO2021050458A1 Overheat protection device and varistor
JP2019057726A Varistor having multilayer coating and manufacturing method
CN110301079A Combined type tubulose metal oxide varistor and gas-discharge tube
CN110024054A Thermal protection metal-oxide varistor
WO2018209562A1 Base metal electrodes for metal oxide varistor
WO2018205092A1 Electrical transient material and method for making same
WO2017139912A1 Thermal metal oxide varistor circuit protection device
WO2016161546A1 Surge protection device
US2017221612A1 Varistor having multilayer coating and fabrication method
US2015228429A1 Surge protection device