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MIDORIKAWA YOSHIO

Overview
  • Total Patents
    42
About

MIDORIKAWA YOSHIO has a total of 42 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan, Germany and Canada. Its main competitors in its focus markets consumer goods, machines and environmental technology are PAIROTTO MAN NEN HITSU KABUSHI, SHEAFFER WALTER A and CONKLIN PEN MFG COMPANY.

Patent filings in countries

World map showing MIDORIKAWA YOSHIOs patent filings in countries
# Country Total Patents
#1 Japan 36
#2 Germany 3
#3 Canada 1
#4 Mexico 1
#5 United States 1

Patent filings per year

Chart showing MIDORIKAWA YOSHIOs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Midorikawa Yoshio 42

Latest patents

Publication Filing date Title
JPS5855294A Cap-less type note
JPS5836499A Cap-less type note
JPS5825998A Cap-less type note
JPS57148695A Liquid leaching type writing tool with no cap
JPS56139916A Squeeze roll for thin sheet
JPS56139995A Method of blocking tail end of marking pen
JPS56117694A Note with nonnslip
JPS5689987A Note
JPS55130798A Autographing pen
JPS55133997A Capillary body
JPS5667297A Method of clogging tail end of marking pen
JPS5667299A Marking pen holder
JPS5642691A Signature pen blank and its manufacture
JPS5640597A Slender writing signature pen and its manufacture
JPS55152587A Distillation device
JPS55109697A White board eraser
JPS55109696A White board eraser
DE2839192A1 Pencil with lead formed from paste stored in the pencil body - whereby the paste hardens on contact with air when extruded
JPS54133959A Oil lighter
JPS54133960A Fuel supply regulator for lighter