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ISEKI KAIHATSU KOKI

Overview
  • Total Patents
    402
  • GoodIP Patent Rank
    225,736
  • Filing trend
    ⇩ 100.0%
About

ISEKI KAIHATSU KOKI has a total of 402 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets civil engineering, mechanical elements and environmental technology are CRAM AUSTRALIA PTY LTD, ISEKI TORY TECH INC and EPIROC CANADA INC.

Patent filings per year

Chart showing ISEKI KAIHATSU KOKIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Akesaka Toshio 212
#2 Kajiyama Makoto 30
#3 Okamoto Sohei 19
#4 Sumi Toshio 18
#5 Fujimori Isao 13
#6 Yamaoka Yuji 12
#7 Nobunaga Hiroshi 12
#8 Uno Hideki 11
#9 Kato Minoru 10
#10 Suzuki Yukio 10

Latest patents

Publication Filing date Title
JP2018188933A Vertical-type crushing device
JP2018187604A Vertical crusher
JP2011117185A Boring machine
JP2010024734A Excavator
JP2010001665A Boring machine
JP2008274691A Boring machine
JP2008214989A Underground pipe replacing apparatus
JP2008196123A Underground pipe replacing device
JP2007277974A Apparatus for replacing underground tube
JP2006152681A Sealing device used for pipe-jacking hollow body and its cutoff body
JP2005299113A Boring machine
JP2005264527A Curve boring machine
JP2005030052A Sewage-pipeline replacing work method
JP2003097187A Pipe jacking device
JP2003033608A Mechanism for oscillating article in liquid
JP2002191910A Solid-liquid separation apparatus and solid-liquid separation method using the same
JP2002349192A Excavator
JP2002227593A Boring machine
JP2002213189A Filler injecting method for use in pipe jacking method, and propelling apparatus
JP2002213188A Filler injecting nozzle