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IQ FOUR KK

Overview
  • Total Patents
    18
About

IQ FOUR KK has a total of 18 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Japan. Its main competitors in its focus markets electrical machinery and energy are SEIDEN MFG CO LTD, TROYAS OSES LUIS and MAGURIIDA KK.

Patent filings in countries

World map showing IQ FOUR KKs patent filings in countries
# Country Total Patents
#1 Japan 18

Patent filings per year

Chart showing IQ FOUR KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Matsuzawa Yasuo 12
#2 Matsuzawa Taichi 6
#3 Matsuzawa Yoichi 1
#4 Fujiwara Etsuo 1

Latest patents

Publication Filing date Title
JP2015041625A Reactor, composite core for reactor, and composite core formation member for reactor
JP2014072318A High-frequency, high-voltage transformer
JP2011138830A Transformer
JP2007294536A Water-cooled transformer and water-cooled coil thereof
JP2007180352A Coil assembly of high frequency transformer
JP2007157995A Super-lightweight transformer for water-cooling high frequency welding, and its output coil
JP2005222997A Coil sheet
JP2005150264A Lightning resistant transformer and conductive coating single molding coil therefor
JP2005032829A High breakdown voltage transformer, and electric conduction coating single molded coil therefor
JP2005019455A High-voltage transformer
JP2004335696A Shield with corona ring for high-voltage transformer
JP2004039847A High-frequency magnetic leakage transformer
JP2004039338A Large-sized discharge lamp-lighting system using small gas turbine generator
JP2003229316A High-voltage pulse transformer
JP2002164233A Choke coil
JP2001313218A Noise-reduction transformer, its coil with shield cover, and shield cover for coil
JP2000353629A Leakage transformer
JPH11238626A Variable inductance equipment