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YAMASH KOGYO KK

Overview
  • Total Patents
    20
About

YAMASH KOGYO KK has a total of 20 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Japan. Its main competitors in its focus markets civil engineering, chemical engineering and environmental technology are HOLLANDSCHE BETONGROEP NV, SHI WUJIANG and MORRICE ANTHONY R S.

Patent filings in countries

World map showing YAMASH KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 20

Patent filings per year

Chart showing YAMASH KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamashita Shinichi 13
#2 Inaba Tsutomu 6
#3 Yamashita Sayoko 5
#4 Takei Masataka 4
#5 Sasaki Jiyunki 3
#6 Yamazaki Kazuhiko 2
#7 Komine Akiyoshi 2
#8 Yamashita Daichi 1
#9 Okamoto Minobu 1
#10 Hamanaka Toru 1

Latest patents

Publication Filing date Title
JP2008121186A Construction method of steel pipe soil cement pile and construction method of composite pile
JP2007205144A Soil excavating tool and soil improving method
JP2007204983A Swivel for soil excavating tool, and soil improving method
JP2007009502A Soil excavating tool, soil improvement method, and soil decontamination method
JP2005288293A Filter
JP2004358420A Soil purification system, and soil purification method
JP2004305921A Oil-water separation apparatus
JP2003161093A Apparatus for connecting rotating shaft of civil engineering machine
JP2004081996A Filter apparatus
JP2004081997A Filter apparatus
JP2004027493A Filler material jetting nozzle, soil excavating tool, swivel, foundation improvement method, and soil purification method
JP2004027494A Foundation improvement method and construction machinery
JP2003251327A Soil cleaning method
JP2003213664A Chemical injection method, chemical injection device and soil purification method
JP2003090189A Soil excavating tool, civil engineering machine for soil excavation and soil improving construction method
JP2003041920A Filter device
JP2002097629A Method and device for mixing and feeding mechanically stirred air and cement milk under pressure
JP2001159130A Mechanical-agitation air cement-milk mixing force- feeding method and device
JP2001120921A Return filter unit for hydraulic system
JP2000167314A Filter element