Inventor
YOKOYAMA YOSHIHARU
JP9 patents
Patents
9 patentsUS5212952AMay 25, 1993
Compact power supply and lubricant affording device therefor
YAMAHA MOTOR CO LTD70 citations94
US5012781AMay 7, 1991
Gas engine
YAMAHA MOTOR CO LTD25 citations92
US6213236B1Apr 10, 2001
Sensor for bicycle with assist engine
YAMAHA MOTOR CO LTD17 citations91
US6119801ASep 19, 2000
Power assisted bicycle
YAMAHA MOTOR CO LTD21 citations91
US5937962AAug 17, 1999
Bicycle with assist engine
YAMAHA MOTOR CO LTD35 citations91
US5086748AFeb 11, 1992
Fuel supplying system for gas engine
YAMAHA MOTOR CO LTD31 citations91
US5197910AMar 30, 1993
Outboard motor
YAMAHA MOTOR CO LTD17 citations73
US4989573AFeb 5, 1991
Gas powered engine with glow plug ignition
YAMAHA MOTOR CO LTD18 citations73
US4958599ASep 25, 1990
Cooling device for engine
YAMAHA MOTOR CO LTD13 citations73