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SUMIDA ELECTRIC H K COMPANY LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    206,561
About

SUMIDA ELECTRIC H K COMPANY LTD has a total of 11 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China, United States and Taiwan. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and machines are MULTI FINELINE ELECTRONIX INC, BOTHHAND ENTPR INC and WUERTH ELEKTRONIK IBE GMBH.

Patent filings in countries

World map showing SUMIDA ELECTRIC H K COMPANY LTDs patent filings in countries
# Country Total Patents
#1 China 6
#2 United States 3
#3 Taiwan 2

Patent filings per year

Chart showing SUMIDA ELECTRIC H K COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Yanfei 7
#2 Zhang Hongnian 5
#3 Malcolm Douglas James 5
#4 Wu Zhuo 3
#5 Liu Chengfeng 2
#6 Douglas James Malcolm 2
#7 Liao Qingwen 2
#8 Qi Jiacai 2
#9 He Weihong 2
#10 Cai Rencheng 2

Latest patents

Publication Filing date Title
CN104300767A Power module and manufacturing method thereof
CN104300766A Power module and manufacturing method thereof
CN103632839A Automatic winding assembly mechanism and method
CN103632840A Coil winder and automatic coil winding assembly method thereof
CN104135139A Power supply module
CN104134532A Coil having variable inner diameter and electronic module made of same
US2014062437A1 Power supply module
TW200838411A A clearance heat sink arrangement of printed circuit board
TW200838364A Cold cathode tube driving circuit