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NIPPON STEEL & SUMIKIN SST

Overview
  • Total Patents
    1,086
  • GoodIP Patent Rank
    4,425
  • Filing trend
    ⇩ 68.0%
About

NIPPON STEEL & SUMIKIN SST has a total of 1,086 patent applications. It decreased the IP activity by 68.0%. Its first patent ever was published in 1999. 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, surface technology and coating and environmental technology are VALLS BESITZ GMBH, NIPPON STEEL STAINLESS STEEL CORP and CHEN ZHANGHUA.

Patent filings per year

Chart showing NIPPON STEEL & SUMIKIN SSTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hamada Junichi 219
#2 Hatano Masaharu 178
#3 Ishimaru Eiichiro 157
#4 Inoue Yoshiharu 150
#5 Takahashi Akihiko 137
#6 Kajimura Haruhiko 116
#7 Teraoka Shinichi 115
#8 Hiraide Nobuhiko 115
#9 Tsuge Shinji 98
#10 Kimura Ken 97

Latest patents

Publication Filing date Title
TW201942382A Ferritic stainless steel, method for producing the same, ferritic stainless steel sheet, method for producing the same, and members for fuel cell
CN110475895A Two phase stainless steel and its manufacturing method
WO2018181570A1 Austenite-based thick stainless-steel plate and production method therefor
WO2018180788A1 HIGH-Mn AUSTENITIC STAINLESS STEEL FOR HYDROGEN HAVING EXCELLENT WELDABILITY, WELDED JOINT USING SAME, DEVICE FOR HYDROGEN USING SAME, AND METHOD FOR PRODUCING WELDED JOINT
JP2018066064A Austenitic stainless steel for fuel reformer excellent in adhesion of oxide film
JP2018076589A Al-CONTAINING FERRITIC STAINLESS STEEL SHEET EXCELLENT IN SURFACE PROPERTY AND SULFIDE CORROSION RESISTANCE AND PRODUCTION METHOD THEREFOR
JP2018059207A Two-phase stainless steel excellent in corrosion resistance of shear processing surface, two-phase stainless steel sheet and two-phase stainless linear steel material
JP2019065373A Martensite stainless cold rolled steel sheet for automobile disc brake rotor, excellent in hardening property and corrosion resistance, steel band, and manufacturing method therefor
JP2019065319A Ferritic stainless steel sheet and manufacturing method therefor, and member for fuel reformer and combustion chamber
JP2019059995A Austenitic stainless steel plate having excellent heat resistance and method for producing the same
JP2019035106A Stainless steel sheet for color development, and method of producing the same
JP2018028146A Two-phase stainless steel for clad steel and clad steel
JP2019031717A Austenitic stainless steel and method for producing the same, and members of fuel reformer and combustor
JP2019026913A Ferritic stainless steel sheet
JP2018021260A Thick-sized high-strength stainless steel wire and method for producing the same, and spring component
JP2019006036A Clear-coated stainless steel sheet
JP2019002053A Ferritic stainless steel sheet, steel tube, ferritic stainless member for exhaust system component, and manufacturing method of ferritic stainless steel sheet
JP2019002030A Austenitic stainless steel sheet and manufacturing method therefor, and exhaust component
JP2018172735A FERRITIC STAINLESS STEEL EXCELLENT IN BRAZABILITY AND CORROSION RESISTANCE, AND Ni BRAZED JOINT MEMBER
JP2018172709A Austenitic stainless steel, soldered structure, soldered structure component and exhaust gas heat exchange component