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SANYO SPECIAL STEEL CO LTD

Overview
  • Total Patents
    2,647
  • GoodIP Patent Rank
    3,398
  • Filing trend
    ⇧ 14.0%
About

SANYO SPECIAL STEEL CO LTD has a total of 2,647 patent applications. It increased the IP activity by 14.0%. Its first patent ever was published in 1960. 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 electrical machinery and energy are TAIWAN POWDER TECHNOLOGIES CO LTD, FYZIKALNY USTAV SAV and NINGBO HONGBO MACHINERY MFT CO LTD.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Sawada Toshiyuki 388
#2 Yanagimoto Masaru 153
#3 Hasegawa Hiroyuki 127
#4 Kariya Tetsuro 122
#5 Yanagiya Akihiko 89
#6 Matsubara Noriaki 89
#7 Aikawa Yoshikazu 85
#8 Fujimatsu Takeshi 81
#9 Isomoto Tatsuro 78
#10 Hirono Tomoki 58

Latest patents

Publication Filing date Title
WO2021065713A1 Method for spheroidizing annealing case-hardening steel
JP2020202006A Co-BASED ALLOY FOR SOFT MAGNETIC LAYER OF MAGNETIC RECORDING MEDIA
WO2021015119A1 Cu-based alloy powder
JP2020111833A Sputtering target material
JP2020079447A Method for manufacturing soft magnetic flat powder
JP2020063519A Fe-BASED METAL POWDER FOR MOLDING
JP2020057817A Manufacturing method of soft magnetic flat powder
JP2020070497A Powder for alloy of high rigidity and low thermal expansion
JP2021002414A Alloy for seed layer of magnetic recording medium
JP2020204573A Test piece, method of manufacturing the same, and rolling fatigue test method
JP2020204571A Test piece, method of manufacturing the same, and rolling fatigue test method
JP2020186414A Soft magnetic powder
JP2020183557A Nickel based sputtering target and magnetic recording medium
JP2019135328A Alloy powder
JP2020169354A Steel for direct cutting
JP2020163435A Liner of extrusion container
JP2020152979A Alloy powder for magnetic member
JP2020154357A Steel ingot management device and method
JP2020143306A Non-heat treated steel for hot forging
JP2020138219A Metallic member