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HITACHI CONSTRUCTION MACHINERY

Overview
  • Total Patents
    18,568
  • GoodIP Patent Rank
    875
  • Filing trend
    ⇩ 9.0%
About

HITACHI CONSTRUCTION MACHINERY has a total of 18,568 patent applications. It decreased the IP activity by 9.0%. Its first patent ever was published in 1970. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets civil engineering, mechanical elements and transport are HITACHI CONSTRUCTION MACH CO, KOBELCO CONSTR MACHINERY LTD and HITACHI CONSTRUCTION MACHINERY TIERRA CO LTD.

Patent filings per year

Chart showing HITACHI CONSTRUCTION MACHINERYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hirata Toichi 583
#2 Sugiyama Genroku 523
#3 Watanabe Hiroshi 523
#4 Nakamura Kazunori 378
#5 Ochiai Masami 353
#6 Izumi Eiki 294
#7 Tanaka Yasuo 279
#8 Fujishima Kazuo 274
#9 Satake Hidetoshi 270
#10 Kanai Takashi 266

Latest patents

Publication Filing date Title
JP2021005421A Selection support system for repair component of work machine
JP2020204265A Hydraulic shovel
JP2020191119A System for supporting inspection of construction machine
JP2020169558A Control device and control method of work machine
JP2019206915A Disassembly type work machine
JP2021008715A Operating machine
JP2021008716A Operating machine
JP2021004540A Hydraulic shovel
JP2021001436A Work machine
JP2021001439A Work machine
JP2020204227A Rolling compaction machine
JP2020204216A Construction machine
JP2020200597A Construction machine
JP2020198723A Power storage system and work machine
JP2020197885A Vehicle management system
JP2020190094A Work machine
JP2020190081A Rolling compaction machine
JP2020184195A Vehicle control system
JP2020180605A Injector diagnosis device and injector diagnosis method
JP2020183612A Working machine