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HITACHI TOOL

Overview
  • Total Patents
    362
  • GoodIP Patent Rank
    227,401
About

HITACHI TOOL has a total of 362 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan, EPO (European Patent Office) and United States. Its main competitors in its focus markets machine tools, machines and surface technology and coating are MITSUBISHI HITACHI TOOL ENGINEERING LTD, MMC KOBELCO TOOL KK and NISSHIN KOGU KK.

Patent filings in countries

World map showing HITACHI TOOLs patent filings in countries
# Country Total Patents
#1 Japan 340
#2 EPO (European Patent Office) 15
#3 United States 6
#4 China 1

Patent filings per year

Chart showing HITACHI TOOLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shima Nobuhiko 59
#2 Iyori Yusuke 49
#3 Okanishi Ryosuke 40
#4 Ueda Hiroshi 39
#5 Horie Hitoshi 39
#6 Yoshitoshi Shigeyasu 27
#7 Ishikawa Keiji 21
#8 Sasaki Kazuyoshi 21
#9 Kishimoto Kiyoshi 20
#10 Inoue Hiroaki 20

Latest patents

Publication Filing date Title
CN105764640A Replaceable-cutting-edge rotary cutting tool and insert used in same
US2015240353A1 Hard-coated tool and its production method
EP2878404A1 Multi-flute endmill
US2014234582A1 Covering member with excellent sliding properties
EP2732891A1 Negative-type cutting insert, blade-interchangeable rotary cutting tool using same cutting insert, blade-interchangeable rotary cutting tool system, and cutting method
EP2692467A1 Member coated with hard film, process for producing same, and bit-exchangeable rotary tool equipped therewith
JP2012020394A Edge-interchangeable rotary cutting tool
JP2012254496A Cutting edge replaceable cutting tool
JP2012232350A Cutting edge replaceable-type radius end mill
JP2012228735A Coated tool excellent in wear resistance and method for manufacturing the same
JP2011225982A Coating member excellent in coating film adhesion, and method for producing the same
JP2011212836A Ball end mill and manufacturing method of the same
JP2011224768A Hard film-coated tool and method of manufacturing the same
JP2012030306A Drill and drilling method using the same
JP2011251402A Christmas tree formed milling cutter and method for machining turbine blade root part using the cutter
JP2011246792A Slide part
JP2011206904A Cutting edge replaceable cutting tool
JP2011206905A Cutting edge exchange type ball end mill
JP2011208268A Ultrafine particle cemented carbide
JP2011006780A Hard metal, production method therefor and rotational cutting tool