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HITACHI TOOL ENG

Overview
  • Total Patents
    779
  • GoodIP Patent Rank
    179,850
About

HITACHI TOOL ENG has a total of 779 patent applications. Its first patent ever was published in 1992. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets machine tools, machines and surface technology and coating are WALTER AG, MMC KOBELCO TOOL KK and HITACHI TOOL.

Patent filings per year

Chart showing HITACHI TOOL ENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ishikawa Takashi 130
#2 Kubota Kazuyuki 93
#3 Kubo Yutaka 61
#4 Ishii Toshio 57
#5 Uejima Takashi 56
#6 Shima Nobuhiko 41
#7 Kondo Yoshihiro 35
#8 Nagashima Yoshimitsu 34
#9 Fukunaga Yuzo 33
#10 Kobayashi Yoshiyuki 28

Latest patents

Publication Filing date Title
WO2014157688A1 Coated cutting tool and method for producing same
WO2014156699A1 Coated cutting tool
WO2014142190A1 Hard film, hard film covered member, and method for manufacturing hard film and hard film covered member
JP2015100881A Insert and tip replaceable ball end mill fitted with insert
JP2015077647A Forward path and return path longitudinal feed insert, and cutting-edge replacement type rotary cutting tool mounting the insert
JP2014079875A Method of producing coated tool
WO2014057783A1 Ball end mill and insert
JP2015024458A Tip replaceable rotary cutting tool and insert
JP2014042981A Tooth point replaceable ball end mill
JP2015000467A Ball end mill
JP2014231115A End mill
JP2014210293A Cutting method of austenitic heat resistant cast steel
JP2013233643A Radius end mill
WO2013146882A1 Machining head, holder and exchangeable tip cutting tool
JP2014152345A Hard film coated wc based hard alloy member and method for producing the same
JP2014144492A Edge replaceable radius end mill
JP2013151056A Radius end mill
JP2014124693A Cutting edge replaceable radius end mill
JP2014111286A Tip replaceable ball end mill
JP2014039994A Multi-blade ball end mill