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HITACHI KIDEN KOGYO KK

Overview
  • Total Patents
    2,185
About

HITACHI KIDEN KOGYO KK has a total of 2,185 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets environmental technology, control and machine tools are TOYO CLEAN KAGAKU KK, KANKYO ENG CO LTD and QINGDAO JIAHEFENG FERTILIZER INDUSTRY CO LTD.

Patent filings in countries

World map showing HITACHI KIDEN KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 2,153
#2 United States 14
#3 Germany 6
#4 Republic of Korea 6
#5 China 2
#6 Taiwan 2
#7 France 1
#8 United Kingdom 1

Patent filings per year

Chart showing HITACHI KIDEN KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hirai Atsuo 239
#2 Yoshida Teruhisa 211
#3 Hamada Hideaki 158
#4 Muto Eiichi 148
#5 Yamagata Tetsuo 118
#6 Itou Hajime 113
#7 Nishibe Kunihiko 104
#8 Kamei Shigeki 93
#9 Yamamoto Harumasa 91
#10 Nakayama Yoshio 90

Latest patents

Publication Filing date Title
JP2006136197A Contactless power feeding type run truck
JP2006198605A Sand separating and washing apparatus
JP2006319492A Corner reflector antenna
JP2006303866A Infrared ray communication tag
JP2006241788A Bar screen type dust collector used for both coarse and fine dust
JP2006238253A Light emitter for infrared communication
JP2006235802A Work management support system
JP2006059316A Design support system of carrying device
JP2006193959A Dust collector of overflowing water
JP2006189088A Linear bearing fixing structure
JP2006188327A Decelerating and stopping method for traveling body
JP2006187728A Aeration device
JP2006181437A Sludge treatment method
JP2006175399A Sludge treatment method
JP2006176300A Telescopic arm support structure of transfer machine
JP2006168458A Non-contact electric supply plant
JP2006171903A Monitoring system of unmanned conveyance vehicle
JP2006171904A Maintenance data collecting system of conveyance vehicle
JP2006171902A Monitoring system of unmanned conveyance vehicle
JP2006160501A Failure diagnostic system for crane