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HITACHI TOOL ENG CO LTD

Overview
  • Total Patents
    43
About

HITACHI TOOL ENG CO LTD has a total of 43 patent applications. Its first patent ever was published in 1996. It filed its patents most often in Japan. Its main competitors in its focus markets machine tools, materials and metallurgy and surface technology and coating are SHENZHEN XINGUOYU PREC TOOLS LTD, GOMI RETSU and YANGZHOU WHALE HEAVY MACHINERY CO LTD.

Patent filings in countries

World map showing HITACHI TOOL ENG CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 43

Patent filings per year

Chart showing HITACHI TOOL ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Konya Yasuo 12
#2 Okanishi Ryosuke 8
#3 Yoshitoshi Shigeyasu 7
#4 Iyori Yusuke 6
#5 Ueda Hiroshi 6
#6 Washimi Akio 4
#7 Eto Megumi 4
#8 Okayama Shiro 3
#9 Kato Masataka 3
#10 Takahashi Toshinao 3

Latest patents

Publication Filing date Title
JPH1170405A Radius end mill
JPH10158839A Coated cemented carbide
JPH1158105A Covered cemented carbide tool for high speed-high feed
JPH10158819A Coated cemented carbide
JPH10156607A Cbn sintered compact
JPH1161437A Covering material
JPH1148004A Coated throw away tip
JPH1148023A Cemented carbide end mill and manufacture thereof
JPH10328909A Throw-away chip and holder thereof
JPH10323724A Covering form member
JPH10315031A Ball end mill and throwaway tip therefor
JPH10317087A Coated titanium cyanide-base cermet
JPH10317088A Coated cermet
JPH10291115A Throw-away end mill
JPH10291117A Throw-away type rotary tool
JPH10291102A Coated throw-away chip
JPH10280148A Coated hard member
JPH10280147A Coated hard member
JPH10263915A Cemented carbide end mill
JPH10263913A Ball end mill