Inventor
ISAKA YOSHIHARU
JP19 patents
⚠️ This page may combine multiple inventors who share the name “ISAKA YOSHIHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA MOTOR CO LTD
16 patentsUS5487365AJan 30, 1996
Induction system for engine
YAMAHA MOTOR CO LTD19 citations92
US5311848AMay 17, 1994
Induction system for engine
YAMAHA MOTOR CO LTD39 citations92
US5255649AOct 26, 1993
Intake air control system for the engine
YAMAHA MOTOR CO LTD33 citations92
US5233952AAug 10, 1993
Pump drive for engine
YAMAHA MOTOR CO LTD28 citations92
US4727834AMar 1, 1988
Vertical engine for walk behind lawn mower
YAMAHA MOTOR CO LTD27 citations92
US4339964AJul 20, 1982
Internal combustion engine with combined transmission case and crankshaft case, and intermediate shaft
YAMAHA MOTOR CO LTD33 citations92
US3934562AJan 27, 1976
Two-cycle engine
YAMAHA MOTOR CO LTD35 citations92
US4766859AAug 30, 1988
Lubricating system for vertical shaft engine
YAMAHA MOTOR CO LTD44 citations90
US5172786ADec 22, 1992
V belt type automatic transmission system
YAMAHA MOTOR CO LTD85 citations89
US4327811AMay 4, 1982
Motorcycle exhaust systems
YAMAHA MOTOR CO LTD20 citations82
US5564383AOct 15, 1996
Tumble valve arrangement for engine
YAMAHA MOTOR CO LTD16 citations73
US5549088AAug 27, 1996
Induction system for engine
YAMAHA MOTOR CO LTD9 citations73
US5070686ADec 10, 1991
Vertical engine for walk behind lawn mower
YAMAHA MOTOR CO LTD15 citations73
US4484650ANov 27, 1984
Motorcycle mounted with V shaped engine
YAMAHA MOTOR CO LTD11 citations72
US5794587AAug 18, 1998
Tumble valve for multi-valve engine
YAMAHA MOTOR CO LTD6 citations62
US4489802ADec 25, 1984
Exhaust system for motorcycles
YAMAHA MOTOR CO LTD1 citations51