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MARUTOKU KIGYO KK

Overview
  • Total Patents
    36
About

MARUTOKU KIGYO KK has a total of 36 patent applications. Its first patent ever was published in 1982. It filed its patents most often in Japan. Its main competitors in its focus markets civil engineering are CHINA SOUTHWEST GEOTECHNICAL INVESTIG & DESIGN INSTITUTE CO LTD, HANEY MICHAEL JOHN and ENNO BECKER.

Patent filings in countries

World map showing MARUTOKU KIGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 36

Patent filings per year

Chart showing MARUTOKU KIGYO KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

Top inventors

# Name Total Patents
#1 Onodera Hidetaka 36

Latest patents

Publication Filing date Title
JP2013092008A Method for constructing soil cement continuous wall
JP2011038047A Method for constructing soil cement continuous column wall
JP2008111240A Method of constructing underground wall
JP2007255042A Multi-spindle excavator
JP2007239253A Construction method of soil cement diaphragm wall
JP2006348644A Excavation head and excavator
JP2006125141A Underground continuous wall construction method
JP2005282183A Existing pile extracting device and extracting method
JP2005282182A Multiple-spindle excavator
JP2005264534A Uniaxial column row type underground wall construction method
JP2005146733A Cast-in-place pile wall construction method
JP2005133310A Core material erecting method in diaphragm wall construction method
JP2004293233A Mud removing device for multi-axis excavator
JP2004162363A Multiple-spindle excavator
JP2003206525A Multi-shaft auger
JP2003034932A Method of drawing out existing piles and excavation casing used for it
JP2002339345A Execution method for continuous underground wall
JP2001303570A Method for drawing out pile
JP2001146746A Pull-out method for existing pile, and drilling casing to be used therefor
JP2001146745A Method and device for pulling out pile