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YOU DAQIAN

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    223,438
About

YOU DAQIAN has a total of 12 patent applications. Its first patent ever was published in 1987. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy and environmental technology are HITACHI FERRITE ELECTR CO LTD, APOLLO IRYOKI KK and TAKEUCHI KUNIMATSU.

Patent filings in countries

World map showing YOU DAQIANs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing YOU DAQIANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 You Daqian 8
#2 Daqian You 3
#3 Litang Jiang 2
#4 Boqi Song 1
#5 Ganqing Wu 1

Latest patents

Publication Filing date Title
CN112071603A Capacitive current transformer
CN111613411A Insulation winding of electrical equipment by adopting sintering process and grounding shielding technology
CN103065779A Three-phase 24 pulse wave double-Y-shaped output winding phase-shifting rectifier transformer
CN103065780A Three-phase 24 pulse wave double-extended-triangle output winding phase-shifting rectifier transformer
CN102881435A Three-phase 24-pulse single-output winding phase-shifting rectifier transformer
CN103117664A Three-phase light-emitting diode (LED) illumination high performance rectification power supply device
CN102890998A Insulated winding or electromagnetic coil for electrical equipment and sintering and forming process of insulated winding or electromagnetic coil
CN102891000A Lightning protection and resonance elimination reactive power compensation capacity transformer
CN1379420A Capacitive transformer preventing thunderstruck and interference
CN1061305A Sealed insulating plug-in wire way wiring device
CN1042810A Low-pressure overhead circuit cross arm of glass fiber reinforced plastics
CN1018688B Protector for null line breaking