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YORITOMI RYUTARO

Overview
  • Total Patents
    31
About

YORITOMI RYUTARO has a total of 31 patent applications. Its first patent ever was published in 1969. It filed its patents most often in Japan, France and Germany. Its main competitors in its focus markets machine tools, civil engineering and packaging and shipping are INT DYNETICS CORP, TCS KK and SHINOHARA PRESS SERVICE KK.

Patent filings in countries

World map showing YORITOMI RYUTAROs patent filings in countries
# Country Total Patents
#1 Japan 12
#2 France 6
#3 Germany 4
#4 Canada 3
#5 Finland 2
#6 United Kingdom 2
#7 Italy 1
#8 United States 1

Patent filings per year

Chart showing YORITOMI RYUTAROs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Presses
#2 Dredging
#3 Cranes

Top inventors

# Name Total Patents
#1 Yoritomi Ryutaro 24

Latest patents

Publication Filing date Title
JPH11793A Continuous pressing dehydrater
JPH08257796A Conic screen type continuous hydroextractor
JPH084041A Extension arm of hydraulic excavator
JPH07124790A Continuous compression dehydrating machine
JPH04344894A Conical screen type continuous dehydrator
JPH04339596A Raw material force feed type continuous compression dehydrating machine
JPH04277225A Telescopic arm of construction machine used for both medium and large depth
JPH03267423A Multistage expandable arm for construction machine
JPH03241121A Multistage expansion arm of construction machinery
JPH03103538A Expansion arm using both as middle depth and great depth of hydraulic shovel
JPS62170618A Rocking expandible arm in oil-pressure shovel
CA1132101A Excavator having telescopic arm assembly
CA1120076A Excavator with a clamshell bucket having magnified vertical stroke
CA939192A Apparatus for continuous dehydration
GB1286948A Apparatus for continuous dehydration
GB1281560A Continuous disc type dehydration press