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NAKAYAMA STEEL WORKS LTD

Overview
  • Total Patents
    235
About

NAKAYAMA STEEL WORKS LTD has a total of 235 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets materials and metallurgy, environmental technology and machine tools are PO HANG IRON & STEEL, YIEH UNITED STEEL CORP and BEIJING SHOUGANG CO LTD.

Patent filings per year

Chart showing NAKAYAMA STEEL WORKS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamamoto Katsuji 27
#2 Kurahashi Takao 19
#3 Kurahashi Ryurou 17
#4 Watanabe Katsuo 16
#5 Komaki Masahiro 16
#6 Tashiro Wataru 16
#7 Yamaguchi Takeshi 15
#8 Iwata Fujio 15
#9 Tsujii Kazumasa 15
#10 Nagano Keisuke 15

Latest patents

Publication Filing date Title
JP2014053185A Separator for fuel cell and manufacturing method thereof
WO2013105297A1 Method for manufacturing amorphous plate and device for manufacturing same
WO2012173261A1 Torque sensor and manufacturing method therefor
JP2013221167A Method and device for plastic-working amorphous alloy
JP2013144831A Method and facility for producing amorphous sheet with high production efficiency
JP2013144832A Amorphous sheet and method for producing the same
JP2013124380A Hot-rolled thin steel sheet and method for production thereof
JP2013111593A Inlet roller guide
KR20130129944A Ni-based amorphous alloy with high ductility, high corrosion resistance and excellent delayed fracture resistance
JP2012241231A Amorphous alloy with excellent corrosion resistance and excellent electrical conductivity, and use thereof
JP2012165708A Method for recovering middle-layer floating fishing bank
JP2012167298A Ferritic stainless steel sheet and method for manufacturing the same
JP2012046816A Hot-rolled steel sheet having high strength and high-workability and method for producing the same
KR20130028896A Apparatus and method for forming amorphous coating film
JP2011144403A Amorphous film-fitted metallic material, and method for forming amorphous film
JP2010168651A High strength hot-rolled steel plate and manufacturing method therefor
JP2010269324A Medium/high carbon steel plate and method of hot-rolling the same and equipment for manufacturing the same
JP2010053434A High strength hot rolled thin steel sheet having excellent ductility and method for producing the same
JP2010022895A Apparatus and method for formation of amorphous film
JP2009270152A Highly corrosion-resistant amorphous alloy