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HITACHI CAR ENG CO LTD

Overview
  • Total Patents
    206
  • GoodIP Patent Rank
    209,207
About

HITACHI CAR ENG CO LTD has a total of 206 patent applications. Its first patent ever was published in 1996. It filed its patents most often in United States, Japan and Republic of Korea. Its main competitors in its focus markets engines, pumps and turbines, measurement and electrical machinery and energy are AIR SENSORS INC, ELECTRONIQUE INFORMATIQUE SOC and DELTEC FUEL SYSTEMS BV.

Patent filings per year

Chart showing HITACHI CAR ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Igarashi Shinya 25
#2 Watanabe Izumi 23
#3 Nakada Keiichi 19
#4 Yamada Masamichi 15
#5 Horie Junichi 13
#6 Suzuki Ippei 11
#7 Wada Hisashi 11
#8 Shibukawa Suetaro 10
#9 Kikawa Hiromu 10
#10 Hanzawa Keiji 10

Latest patents

Publication Filing date Title
WO2015151344A1 Permanent magnet brushless motor
JP2014158421A Brushless motor
JP2014072940A Rotary electric machine
JP2012095476A Brushless motor
JP2012080602A Brushless motor, and method of manufacturing the same
JP2012062909A Apparatus and method of controlling electric oil pump driving motor
JP2012065377A Motor controller for electric oil pump and control method
JP2012060831A Brushless motor
JP2012060781A Brushless motor controller and brushless motor system
JP2012060782A Brushless motor control device
JP2012050297A Electric motor, motor drive system, and vehicle mounting the same
JP2012039793A Brushless motor
JP2012029476A Brushless motor
JP2012023880A Control device of brushless motor
JP2011187890A Capacitor device and method of manufacturing the same
JP2011038601A Oil pressure supply device
JP2010284007A Brushless motor with sensor with built-in drive circuit
JP2010233301A Sensorless brushless motor control device and electric fluid pump using the same
JP2010213512A Torque controller for permanent-magnet synchronous motor
JP2010211543A Vehicle failure diagnostic device