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HITACHI PLANT ENG & CONSTR CO

Overview
  • Total Patents
    4,636
About

HITACHI PLANT ENG & CONSTR CO has a total of 4,636 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and Republic of Korea. Its main competitors in its focus markets environmental technology, chemical engineering and thermal processes are Shanghai fanqing environment engineering co ltd, EBARA INFILCO and OGAWA KANKYO KENKYUSHO KK.

Patent filings per year

Chart showing HITACHI PLANT ENG & CONSTR COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sumino Tatsuo 196
#2 Hayata Fumitaka 180
#3 Mori Naomichi 148
#4 Takahashi Minoru 122
#5 Koide Hideo 98
#6 Suwa Hideyuki 95
#7 Nakamura Hironori 86
#8 Yamadera Toshio 86
#9 Fukuzawa Kuniyuki 86
#10 Mochizuki Yoshihiko 84

Latest patents

Publication Filing date Title
CN1939592A Mobile electrode of electric dust collector
JP2005313153A Flat membrane element and supporting plate
JP2005313152A Anaerobic ammonia oxidation method an method and apparatus for treating waste water
JP2005329399A Method and apparatus for removing nitrogen
JP2005134110A Air conditioning facility
WO2005071386A1 Microorganism separating device
JP2005047291A Fastening for core drill auxiliary
JP2006136250A System for controlling thermostatic device for medical use
JP2006136791A Method and apparatus for treating microcystin-containing water
JP2006139410A Step information management method and system
JP2006130619A Blasting method of pipe material and bag body covering pipe member
JP2006130621A Blasting device
JP2006130618A Blasting method for inner surface of container
JP2006130620A Blasting device in air current
JP2006130397A Waste water treatment system
JP2005342705A Method for producing inclusively-immobilized microbe carrier, inclusively-immobilized microbe carrier, and waste water treatment apparatus
JP2006122874A Treatment method and apparatus for ammonia-containing liquid
JP2006122865A Water treatment and carrier acclimatization method and its device
JP2006122839A Anaerobic ammonia oxidation apparatus and its operation method
JP2006125670A Dehumidifying system