Inventor
IWAI TOMIO
JP17 patents
⚠️ This page may combine multiple inventors who share the name “IWAI TOMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANSHIN KOGYO KK
12 patentsUS5352137AOct 4, 1994
Automatic position controller for marine propulsions
SANSHIN KOGYO KK48 citations92
US4735046AApr 5, 1988
Oil remover from exhaust gas of marine propulsion unit
SANSHIN KOGYO KK46 citations92
US4630446ADec 23, 1986
Outboard motor with turbo-charger
SANSHIN KOGYO KK38 citations92
US4566415AJan 28, 1986
Speed controller for marine propulsion device
SANSHIN KOGYO KK27 citations92
US4747796AMay 31, 1988
Smoothing device for rotation of propeller of boat propulsion machine
SANSHIN KOGYO KK51 citations91
US4821687AApr 18, 1989
Two-stroke engine
SANSHIN KOGYO KK21 citations82
US4673358AJun 16, 1987
Mounting arrangement for outboard drive
SANSHIN KOGYO KK22 citations82
US5546748AAug 20, 1996
Exhaust system for outboard motor
SANSHIN KOGYO KK18 citations74
US4920933AMay 1, 1990
V-shaped two cycle engine for outboard
SANSHIN KOGYO KK11 citations74
US4810218AMar 7, 1989
Marine propulsion device
SANSHIN KOGYO KK13 citations73
US4677826AJul 7, 1987
Outboard motor with turbo-charger
SANSHIN KOGYO KK13 citations73
US4661076AApr 28, 1987
Cowling assembly for an outboard engine
SANSHIN KOGYO KK19 citations73
YAMAHA MOTOR CO LTD
5 patentsUS4075985AFeb 28, 1978
Two cycle internal combustion engines
YAMAHA MOTOR CO LTD108 citations96
US4493661AJan 15, 1985
Outboard engine
YAMAHA MOTOR CO LTD37 citations92
US4372258AFeb 8, 1983
Lubricating system for outboard engine
YAMAHA MOTOR CO LTD39 citations92
US4403578ASep 13, 1983
Separate lubricating system for outboard engine
YAMAHA MOTOR CO LTD22 citations81
US4399797AAug 23, 1983
Intake heating system for outboard engine
YAMAHA MOTOR CO LTD11 citations73