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YOKOYAMA MASAO

Overview
  • Total Patents
    14
About

YOKOYAMA MASAO has a total of 14 patent applications. Its first patent ever was published in 1979. It filed its patents most often in Japan. Its main competitors in its focus markets measurement, machine tools and engines, pumps and turbines are VETRALA GABRIELE, LIYANG KEHUA MACHINARY MANUFACTURE CO LTD and HUTTER BERNHARD.

Patent filings in countries

World map showing YOKOYAMA MASAOs patent filings in countries
# Country Total Patents
#1 Japan 14

Patent filings per year

Chart showing YOKOYAMA MASAOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yokoyama Masao 14

Latest patents

Publication Filing date Title
JP2012030766A Two-wheel vehicle which does not fall down
JP2004313677A Massage machine
JPH1128234A Massager
JPH10291498A Vertical raising plane
JPH08192763A Device which can travel in all directions
JPH06195546A Coin sending-out device
JPH01278966A Automatic soldering iron
JPS6122877A Bamboo sword
JPS60216246A Water drip detector
JPS6069455A Forced circulation-type water boiler
JPS5851277A Internal combustion engine ignited by microwave
JPS57168815A Drill
JPS56154281A Automatic soldering iron
JPS5639874A Air driver with screw adsorbing device and screw arranging machine