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CHUGAI RO KOGYO KAISHA LTD

Overview
  • Total Patents
    1,990
  • GoodIP Patent Rank
    4,514
  • Filing trend
    ⇩ 51.0%
About

CHUGAI RO KOGYO KAISHA LTD has a total of 1,990 patent applications. It decreased the IP activity by 51.0%. Its first patent ever was published in 1972. It filed its patents most often in Japan, China and Republic of Korea. Its main competitors in its focus markets thermal processes, environmental technology and surface technology and coating are CHUGAI RO CO LTD, INGBUERO FUER HUETTENBAU WILHE and HOLCROFT & CO.

Patent filings per year

Chart showing CHUGAI RO KOGYO KAISHA LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kawamoto Yusaku 99
#2 Kisoda Kinya 61
#3 Imose Masayuki 56
#4 Yamamoto Tadashi 49
#5 Fujino Shinji 47
#6 Katayama Tomoki 46
#7 Nishio Tsutomu 46
#8 Kawabata Kensuke 44
#9 Shimozato Yoshikazu 43
#10 Nakagawa Hiroo 43

Latest patents

Publication Filing date Title
JP2020028878A Scale recovery device
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JP2020190384A Heat storage body, regeneration burner device having heat storage body, and industrial furnace having regeneration burner device
JP2020186881A Heat treatment furnace
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JP2020160805A Inventory management system
JP2020160806A Inventory management method
JP2020157355A Mold clamp device
JP2020133999A Method for producing industrial furnace
JP2020008266A Heating state detector of heat storage body on heat storage type gas treatment device
JP2020093227A Biomass feedstock washing apparatus
JP2020094150A Torrefaction fuel production system
JP2020093903A Belt-like body levitation conveyance device
JP2020085359A Heat treatment furnace
JP2020085282A Industrial furnace and combustion control method for industrial furnace
JP2020079429A Acetylene gas concentration estimation device, acetylene gas proper amount estimating device, and vacuum carburization device with the device
JP2020065977A Vaporization separation method and vaporization separation device of mixed liquid, and recovery device of vaporized and separated liquid
JP2020066777A Cleaning equipment and cleaning liquid regeneration method in workpiece hardening treatment equipment
JP2020060233A Valve member pressing type valve