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KAWAMURA HIDEO

Overview
  • Total Patents
    77
About

KAWAMURA HIDEO has a total of 77 patent applications. Its first patent ever was published in 1983. It filed its patents most often in Japan, China and EPO (European Patent Office). Its main competitors in its focus markets electrical machinery and energy, environmental technology and engines, pumps and turbines are NASHIKI MASAYUKI, WINTHER MARTIN P and QUANTEN TECH INC.

Patent filings per year

Chart showing KAWAMURA HIDEOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kawamura Hideo 77
#2 Kawamura Megumi 2
#3 Hazama Takeshi 1
#4 Ooki Fumio 1
#5 Kuno Hirotsugu 1
#6 Kawamura Eikichi 1
#7 Fukada Takafumi 1
#8 Kawamura Kazue 1

Latest patents

Publication Filing date Title
JP2014050189A Winding wire for generator
JP2013100407A Expanded polystyrene bead and production method thereof
WO2012120693A1 Controller of permanent magnet generator and permanent magnet generator with the controller
JP2012023815A Control device for stabilizing voltage of permanent magnet type generator
JP2011155818A Control apparatus for constant voltage in permanent-magnet generator
JP2010268636A Controller for permanent magnet generator
US7554303B1 Controller of permanent magnet generator
JP2009081977A Controller of power generator
JP2008118744A Wind turbine generator equipped with winding switching mechanism and magnetic flux control mechanism
JP2008118745A Permanent-magnet generator without cogging
JP2008118743A Permanent magnet type generator using weak field and magnetic path air gap control
WO2006016419A1 Electric toothbrush
JP2003321208A Reforming apparatus for natural gas
JP2003102144A Permanent magnet type generation/generator installed in rotary body
JP2003092899A Permanent magnet power generating motor with magnetic flux controller
JP2003092900A Permanent magnetic power generating motor with magnetic flux controller
EP1220427A2 Magnetic flux controls for permanent-magnet motor-generator
JP2003037966A Permanent magnet generator/motor equipped with magnetic flux control device
JP2003037952A Permanent magnet type generator/motor having comb part open outward
JP2002369479A Generator having power generating characteristic of plural systems