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OKI POWER TECH CO LTD

Overview
  • Total Patents
    33
About

OKI POWER TECH CO LTD has a total of 33 patent applications. Its first patent ever was published in 2004. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets electrical machinery and energy and environmental technology are JITARU IONEL, ROMPOWER TECH HOLDINGS LLC and TEXAS INSTR CORK LTD.

Patent filings per year

Chart showing OKI POWER TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sato Hideo 20
#2 Kobayashi Takahiro 19
#3 Takahashi Hiroaki 12
#4 Tsuyui Hiroaki 5
#5 Miyashita Kazuya 5
#6 Mizushima Atsushi 4
#7 Hashizume Yasumi 3
#8 Ryu Tadashi 3
#9 Makuta Mamoru 3
#10 Arai Yasuhisa 3

Latest patents

Publication Filing date Title
JP2010213466A Voltage converter
JP2010193685A Switching power supply circuit
JP2010193684A Power supply apparatus
JP2009259991A Magnetic device and power unit using the same
JP2009232587A Power supply device and control method thereof
JP2009158501A Magnetic device and manufacturing method thereof
JP2009100609A Power supply circuit
WO2007123098A1 Switching power supply circuit and its control method
JP2008263748A Inverter power supply device
JP2008205350A Magnetic device
JP2008098398A Circuit device, and its manufacturing method
JP2008098397A Heat exchanger
JP2008098399A Circuit board
JP2008067443A Switching power supply circuit
JP2008035656A Power supply circuit
JP2007330086A Magnetic device, and switching power supply circuit using same, and its controlling method
JP2007288951A Switching supply circuit
JP2006311795A Power supply circuit
KR20070108407A Switching power supply circuit
JP2007236047A Power supply system