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NIPPON STEEL STAINLESS STEEL CORP

Overview
  • Total Patents
    232
  • GoodIP Patent Rank
    6,553
  • Filing trend
    ⇧ 669.0%
About

NIPPON STEEL STAINLESS STEEL CORP has a total of 232 patent applications. It increased the IP activity by 669.0%. Its first patent ever was published in 2008. It filed its patents most often in Japan, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets materials and metallurgy, environmental technology and machine tools are VALLS BESITZ GMBH, JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO LTD and NIPPON STEEL & SUMIKIN SST.

Patent filings per year

Chart showing NIPPON STEEL STAINLESS STEEL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hamada Junichi 40
#2 Hatano Masaharu 29
#3 Abe Masatoshi 22
#4 Tsuge Shinji 21
#5 Inoue Yoshiharu 20
#6 Ishimaru Eiichiro 19
#7 Hiraide Nobuhiko 16
#8 Nishimoto Takumi 16
#9 Oikawa Yuusuke 16
#10 Sugeoi Mitsuki 15

Latest patents

Publication Filing date Title
WO2021065738A1 Ferritic stainless steel sheet, method for producing same and ferritic stainless steel member
WO2021044889A1 Martensitic stainless steel plate and martensitic stainless steel member
WO2020251002A1 Austenitic stainless steel and manufacturing method thereof
WO2020196870A1 Clear-coated stainless steel sheet
WO2020203938A1 Cladded steel plate and method for manufacturing same
WO2020203931A1 Duplex stainless steel welded joint and method for manufacturing same
WO2020203939A1 Stainless steel sheet
WO2020196595A1 Steel rod
WO2020195915A1 Ferritic stainless steel sheet for automobile brake disk rotors, automobile brake disk rotor, and hot-stamped article for automobile brake disk rotors
WO2020138490A1 Weld structure and method for producing same
WO2020130060A1 Cr-based stainless steel having excellent hydrogen embrittlement resistance
WO2020090936A1 Austenitic stainless steel sheet
WO2020071343A1 Clad austenitic stainless steel sheet, base steel sheet and method for producing clad steel sheet
JP2021004384A Stainless steel
CN111989418A Martensitic S free-cutting stainless steel
KR20200124751A Wire rod for stainless steel wire, stainless steel wire and its manufacturing method, and spring parts
JP2020199642A Clear coated stainless steel sheet
JP2020192594A Welding wire for ferritic stainless steel and method for manufacturing the same
JP2020190018A Invar alloy sheet and its manufacturing method
JP2020172694A Austenitic stainless steel and method for producing the same