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NISSHIN STEEL CO LTD

Overview
  • Total Patents
    12,060
  • GoodIP Patent Rank
    887
  • Filing trend
    ⇩ 69.0%
About

NISSHIN STEEL CO LTD has a total of 12,060 patent applications. It decreased the IP activity by 69.0%. Its first patent ever was published in 1960. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets materials and metallurgy, surface technology and coating and machine tools are NIPPON STEEL &, TATA STEEL NEDERLAND TECH BV and POSCO CO LTD.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Yamamoto Masaya 309
#2 Nakako Takefumi 300
#3 Izumi Keiji 279
#4 Fujii Takahiro 256
#5 Asada Hiroshi 255
#6 Mori Koji 251
#7 Sugita Shuichi 249
#8 Yamauchi Takashi 241
#9 Oku Manabu 237
#10 Hattori Yasunori 223

Latest patents

Publication Filing date Title
CN112204161A Steel material for steel piston
CN112218966A Axle for railway
TWI696512B Butt laser welding method for plate and laser welding member capable of joining plates by laser welding without using a filler material
WO2019107116A1 Method for eluting calcium from steel-making slag, method for collecting calcium from steel-making slag, and device for eluting calcium from steel-making slag
WO2019107115A1 Method for eluting calcium from steel-making slag, method for collecting calcium from steel-making slag, and device for eluting calcium from steel-making slag
JP2018183819A Method and apparatus for manufacturing l-shaped square tube, and l-shaped square tube
WO2019171624A1 Steel pipe and production method for steel pipe
JP2019042808A Welding method
JP2018141369A Metallic roof material and manufacturing method thereof, and roofing structure and roofing method
JP2018155097A Outer wall accessory, and combined body of outer wall accessory and base member
TW201943869A Production method of molten aluminum plated steel plate and molten aluminum plated steel plate removing suspended matters on the surface of a molten aluminum plating bath by supplying gases into the bath
WO2018181685A1 Method and device for manufacturing steam-treated product
JP2018172791A Method for producing hot-dip aluminum-coated steel wire
JP2019056171A Manufacturing method and manufacturing apparatus of steam treatment product
WO2018180831A1 Coated metal plate and production method therefor
SG11201902184PA Stainless Steel Material For Diffusion Bonding Jig
WO2018155508A1 Method for mig brazing, method for manufacturing lap joint member, and lap joint member
WO2018155492A1 Laser brazing method and production method for lap joint member
WO2019097691A1 Austenitic stainless steel sheet and method for producing same
TW201923106A Austenitic stainless steel sheet and method for producing same capable of reducing magnetic permeability of a processed product