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DOWA IRON POWDER CO LTD

Overview
  • Total Patents
    46
About

DOWA IRON POWDER CO LTD has a total of 46 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets surface technology and coating, materials and metallurgy and basic materials chemistry are NITRALLOY CORP, TOCALO CO LTD and NIPPON STEEL & SUMIKIN HARDFACING CO LTD.

Patent filings in countries

World map showing DOWA IRON POWDER CO LTDs patent filings in countries

Patent filings per year

Chart showing DOWA IRON POWDER CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Omori Shigeru 9
#2 Watanabe Masatsugu 9
#3 Iitsuna Yasuyuki 8
#4 Takada Shinya 7
#5 Nigo Satoru 6
#6 Oboshi Fumio 6
#7 Nagano Yasuhisa 5
#8 Shimoyama Hajime 5
#9 Tezuka Kazumasa 3
#10 Tomioka Yoshisue 3

Latest patents

Publication Filing date Title
JP2003020468A Fluorinated gas-decomposing agent
JP2000190227A Projecting material for surface treatment
JP2000008101A Copper-compounded iron powder and its production
JPH10265770A Self-combustion type exothermic element
JPH1085583A Method for producing fine powder
JPH1036902A Iron powders and their manufacture
JPH1017907A Iron powder for reacting agent and its production
JPH0928578A Heating element vessel for outdoor cooker
JPH0919361A Rice cooker formed by using self-combustion type heating element
JPH08248685A Carrier for developer and manufacture thereof
JPH0892604A Production of iron-base copper composite powder for powder metallurgy
JPH0726304A Production of metal powder injection-molding iron powder
JPH0720658A Method for regulating electrostatic resistance of carrier for electrophotographic development
JPH06279824A Production of iron powder utilizing microwaves
EP0564401A2 Method of selective recovery of ferrous and nonferrous metals from industrial wastes and scrap home electric appliances
JPH06240373A Method for separating and recovering copper, iron and the like from motor scrap and the like
JPH06116616A Method and device for producing iron powder utilizing microwave
JPH06212388A Method for activating projecting material for mechanical plating
US5220908A Pyrogen and canister incorporating pyrogen
JPH05331565A Method for separating and recovering copper and iron from scrap motor