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IDEMITSU ENG KK

Overview
  • Total Patents
    131
About

IDEMITSU ENG KK has a total of 131 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Japan and Republic of Korea. Its main competitors in its focus markets measurement, chemical engineering and environmental technology are KALIBRANT LIMITED, GL SCIENCES INC and SMARTBEAD TECHNOLOGIES LTD.

Patent filings in countries

World map showing IDEMITSU ENG KKs patent filings in countries
# Country Total Patents
#1 Japan 130
#2 Republic of Korea 1

Patent filings per year

Chart showing IDEMITSU ENG KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Eto Yuichi 14
#2 Yotsutsuji Yoshitoshi 12
#3 Kobayashi Masaritsu 7
#4 Minami Yoshitaka 7
#5 Okanishi Shigemi 7
#6 Iguchi Akira 5
#7 Okubo Ikuo 5
#8 Asoya Toshimitsu 5
#9 Hirayama Koji 5
#10 Nagasawa Goro 5

Latest patents

Publication Filing date Title
JP2012125665A Method for purifying soil pollution
JP2011117863A Corrosion inspection method
JP2010164483A Nondestructive inspection apparatus and nondestructive inspection method
JP2009131827A Method for treating sewage
JP2008139020A Fuel combustion apparatus, boiler, and heating furnace
JP2008241049A Fuel burning device
JP2008151588A Flaw evaluation method of two-layered bellows and eddy current flaw detector used therein
JP2007206057A Nondestructive inspection method, and device therefor
JP2008073590A Solvent-recovery system and solvent recovery method
JP2007139323A Fuel spray chip, fuel combustion device, and fuel combustion method
JP2007132770A Plate member inspection method and device
JP2007069156A Adsorbing apparatus and adsorbing method
JP2006290446A Disaster preventive system for tank
JP2005314000A Sloshing prevention damper
JP2006205079A Pressure swing adsorption apparatus
JP2006162095A Burner and fuel combustion equipment having this burner
JP2006143291A Floating roof type storage tank
JP2005257170A Fuel burning method, fuel burning device, boiler, and heating furnace
JP2005187019A Anti-sloshing damper
JP2005000862A Adsorption apparatus and adsorption method