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KITANAKA KATSUMI

Overview
  • Total Patents
    53
About

KITANAKA KATSUMI has a total of 53 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan, EPO (European Patent Office) and United States. Its main competitors in its focus markets civil engineering, measurement and environmental technology are HARENINVEST, EMUZU KK and TONE KOJI KK.

Patent filings in countries

World map showing KITANAKA KATSUMIs patent filings in countries

Patent filings per year

Chart showing KITANAKA KATSUMIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kitanaka Katsumi 53

Latest patents

Publication Filing date Title
JP2000054949A Circular rotary motion method of lever
JP2000045251A Construction method for saving water release necessary for descending vessel in passing of vessel in ravine canal
JPH0995969A Separation method of muddy water containing earth, sand, gravel, and the like and device thereof
JPH0960038A Sediment and gravel contained slurry separating method and device
JPH04304831A Trawl fishery method and apparatus therefor
JPH0462228A Device for removing slime in pile hole bottom section
CN1044143A Method and apparatus for casting piles in position
US5013191A Cast-in-place piling method and apparatus
JPH0336395A Earth auger for cast-in-place pile and its auger head
JPH032489A Earth auger for in-situ pile and auger head therefor
JPH02183011A Device and method for in-situ pile driving
JPH0254084A Earth drill
JPH01262283A Antirolling ship
JPH01190820A Device for removing slime in bottom of pile hole
JPS6480774A Circulation of permanent motion
JPS6474352A Circular revolution device for lever
JPS6441845A Visual inspection in mud water
JPS6441846A Visual inspection in mud water
JPS63261027A Earthquake damping apparatus
JPS63151718A Remover for slime on bottom pile pit