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SUMITOMO LIGHT METAL IND

Overview
  • Total Patents
    3,172
  • GoodIP Patent Rank
    224,661
About

SUMITOMO LIGHT METAL IND has a total of 3,172 patent applications. Its first patent ever was published in 1967. 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, machine tools and thermal processes are MITSUBISHI ALUMINIUM CO LTD, KOBE ALCOA TRANSP PRODUCTS LTD and UACJ CORP.

Patent filings per year

Chart showing SUMITOMO LIGHT METAL INDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kumagai Masaki 232
#2 Yoshida Hideo 146
#3 Uno Teruo 123
#4 Yamauchi Shigenori 121
#5 Shibue Kazuhisa 117
#6 Baba Yoshio 115
#7 Hosomi Kazuhiro 99
#8 Tsuchida Makoto 97
#9 Nanba Keizo 92
#10 Ito Yasunaga 90

Latest patents

Publication Filing date Title
WO2015008357A1 Method for annealing level-wound coil
WO2014010387A1 Tube expansion plug
WO2013191160A1 Aluminum and steel mig weld-joint structure
WO2014010366A1 Tube expansion plug
JP2013189640A Hydroforming lubricant, hydroforming metallic tube using the same, and hydroforming processing method
EP2653577A2 Aluminum alloy sheet that exhibits excellent surface quality after anodizing and method for producing the same
WO2014128880A1 Aluminum alloy brazing sheet, method for producing same, and method for brazing heat exchanger formed of aluminum
JP2013178079A Double pipe for heat exchanger
CN104160536A Aluminum foil for collectors and method for producing same
JP2013122083A High-strength aluminum alloy and method for producing the same
CN103567625A Method for welding aluminum alloy part and aluminum alloy plate manufactured with method
EP2687313A1 Method of friction stir welding aluminum alloy materials containing second phase particles, and aluminum alloy panel produced thereby
KR20140011174A Method for welding aluminum alloy members and aluminum alloy panel produced by the method
WO2013031344A1 Aluminium coated sheet material for moulding
JP2014001418A Annealing method of level wound coil
JP2013014837A Method for producing aluminum alloy foil and aluminum alloy foil
JP2013254787A Heat exchanger and manufacturing method of the same
JP2013014132A Precoated aluminum alloy plate for heat dissipation member, and heat dissipation member using same
JP2013251174A Heat radiation member
WO2012169310A1 Shock absorber and bumper device