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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Japan | 14 |
# | Industry | |
---|---|---|
#1 | Measurement | |
#2 | Machine tools | |
#3 | Engines, pumps and turbines | |
#4 | Thermal processes |
# | Technology | |
---|---|---|
#1 | Turning | |
#2 | Fluid heaters | |
#3 | Analysing materials | |
#4 | Ignition for internal-combustion engines |
# | Name | Total Patents |
---|---|---|
#1 | Yokoyama Masao | 14 |
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 |