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OHIRA DENSHI KK

Overview
  • Total Patents
    56
About

OHIRA DENSHI KK has a total of 56 patent applications. Its first patent ever was published in 1994. It filed its patents most often in Japan and Republic of Korea. Its main competitors in its focus markets environmental technology and electrical machinery and energy are ADRAGNA CLAUDIO, BALOGH LASZLO and GUANJIE INVEST CO LTD.

Patent filings in countries

World map showing OHIRA DENSHI KKs patent filings in countries
# Country Total Patents
#1 Japan 55
#2 Republic of Korea 1

Patent filings per year

Chart showing OHIRA DENSHI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sato Morio 52
#2 Otsuka Shunichiro 3
#3 Sato Omorio 1

Latest patents

Publication Filing date Title
JP2007312585A Non-contact power transmission apparatus
JP2007267580A Electronic transformer
JP2007151374A Forward converter
JP2007049105A Tie-up process of thin enamel wire
JP2006340590A Ac-dc converter
JP2006115673A Partially resonant and separately excited switching power supply
JP2005347727A Inductor
JP2005237183A Switching power supply unit capable of dissipating heat from transformer
JP2005229787A Regenerative energy protecting circuit
JP2005073483A Soft switching circuit for self-switching power supply
JP2004104054A Surface-mounted inductor
JP2004096981A Low loss circuit of partial resonance self excitation type switching power supply
JP2004064988A Synchronous rectification circuit for switching power supply using saturable inductor
JP2004015993A Power saving power supply under no load
JP2003244954A Power source having small stand-by time power
JP2003023771A Current-limiting circuit
JP2002334809A Coil equipped with cylindrical core
JP2002329615A Toroidal coil
JP2002238254A Digital control switching power supply unit
JP2002233147A Synchronous rectifying circuit