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NIPPON STEEL & SUMITOMO METAL CORP

Overview
  • Total Patents
    15,538
  • GoodIP Patent Rank
    133
  • Filing trend
    ⇩ 73.0%
About

NIPPON STEEL & SUMITOMO METAL CORP has a total of 15,538 patent applications. It decreased the IP activity by 73.0%. Its first patent ever was published in 1994. 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, machine tools and surface technology and coating are JFE STEEL CORP, IRONOVATION MATERIALS TECH CO LTD and NIPPON STEEL CORP STAR.

Patent filings per year

Chart showing NIPPON STEEL & SUMITOMO METAL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakazawa Yoshiaki 489
#2 Kawata Hiroyuki 206
#3 Okamoto Riki 198
#4 Otsuka Kenichiro 197
#5 Fujii Hideki 188
#6 Sato Koichi 188
#7 Neishi Yutaka 186
#8 Arai Yuji 185
#9 Hayashi Kunio 182
#10 Fujita Nobuhiro 179

Latest patents

Publication Filing date Title
CN111819296A Method for producing steel
AR115299A1 COMPOSITION, AND THREADED CONNECTION FOR PIPE OR TUBE INCLUDING A LAYER OF LUBRICATING COATING FORMED FROM THE COMPOSITION
AR114593A1 INSTALLATION OF CONTINUOUS HEAT-TREATMENT-AND-FINISH-TREATMENT OF A SEAMLESS STEEL PIPE
AR115003A1 STEEL MATERIAL SUITABLE FOR USE IN AGRI ENVIRONMENT
TWI688658B Non-oriented electrical steel sheet
AR114708A1 STEEL MATERIAL SUITABLE FOR USE IN AGRI ENVIRONMENT
AR115260A1 THREADED CONNECTION FOR STEEL PIPE
AR113535A1 THREADED UNION FOR STEEL PIPES
WO2019088229A1 Electrolytically sn-plated steel sheet
CN111278648A Coated metal plate and method for producing coated metal plate
JP2019038037A Welded steel pipe for line pipe with excellent low-temperature toughness, and method of manufacturing the same
WO2019078199A1 Method for dechromizing hot metal and method for producing phosphate fertilizer raw material
WO2019070075A1 Method for manufacturing spot weld joint, steel sheet for spot welding, and steel sheet member for spot welding
WO2019070000A1 Austenitic stainless steel weld metal and welded structure
JP2019026940A Two-phase stainless steel welded joint
WO2019069832A1 Plating adhesion evaluation device, plating adhesion evaluation method, equipment for manufacturing alloyed hot-dip galvanized steel sheet, and method for manufacturing alloyed hot-dip galvanized steel sheet
WO2019069776A1 Hat-shaped steel sheet piling
JP2019063868A Weld material for austenite stainless steel
JP2019058951A Steel member and welded joint structure
JP2019052372A Top-blowing lance and secondary refining method