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NIPPON STEEL MATERIALS CO LTD

Overview
  • Total Patents
    325
  • GoodIP Patent Rank
    227,634
About

NIPPON STEEL MATERIALS CO LTD has a total of 325 patent applications. Its first patent ever was published in 2005. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and Republic of Korea. Its main competitors in its focus markets materials and metallurgy, semiconductors and machine tools are NIPPON MICROMETAL CORP, UNO TOMOHIRO and TANAKA ELECTRONICS IND.

Patent filings per year

Chart showing NIPPON STEEL MATERIALS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Uno Tomohiro 73
#2 Yamada Takashi 57
#3 Kimura Keiichi 40
#4 Okajima Masaki 37
#5 Okazawa Kensuke 33
#6 Kondo Jiro 32
#7 Tanaka Masamoto 32
#8 Ito Nobuaki 28
#9 Terashima Shinichi 27
#10 Sakamoto Hiroaki 24

Latest patents

Publication Filing date Title
WO2013132651A1 Silicon refining device
WO2013132629A1 Method for manufacturing highly pure silicon, highly pure silicon obtained by this method, and silicon raw material for manufacturing highly pure silicon
CN104245579A Metal or semiconductor melt refinement method, and vacuum refinement device
WO2013114609A1 Silicon refining equipment and method for refining silicon
CN104245581A Silicon purification apparatus and silicon purification method
WO2013099040A1 Wear-resistant fiber-reinforced composite material and method for manufacturing same
WO2012067146A1 Metal foil for base material
CN103154373A Steel structure reinforcement method and reinforcement body, and material for forming elastic layer for steel structure reinforcement
WO2013027243A1 Beveling grindstone
JP2012153559A Holding member of molten silicon and method of manufacturing the same, and recycling method of holding member after use
JP2011129942A Metallic material, and method of manufacturing the same
JP2012140528A Solventless coating liquid for forming film, and method for producing the same liquid and film
JP2012136358A Conveyance member of silicon melt
JP2012131875A Method for manufacturing fiber-reinforced flat plastic wire sheet, and fiber-reinforced flat plastic wire sheet
JP2012131874A Fiber-reinforced flat plastic wire, method for manufacturing the same, and fiber-reinforced sheet
JP2012116707A Transfer member for silicon melt and method for manufacturing the same
JP2012110864A Oxide carrier for exhaust gas purifying catalyst, method for producing the same, exhaust gas purifying catalyst and structure for exhaust gas purification
JP2012106886A Method and apparatus for solidification refining metallic silicon
JP2011044729A Bonding wire for semiconductor devices
JP2012077365A Wear-resistant fiber-reinforced composite material and method for production thereof