Inventor
WATANABE EIFU
JP14 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE EIFU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANSHIN KOGYO KK
7 patentsUS5025763AJun 25, 1991
Latching mechanism for outboard motor cowling
SANSHIN KOGYO KK26 citations92
US4952180AAug 28, 1990
Cowling for outboard motor
SANSHIN KOGYO KK32 citations90
US4828519AMay 9, 1989
Outboard motors
SANSHIN KOGYO KK21 citations81
US5074812ADec 24, 1991
Torsional damper for marine propulsion engine
SANSHIN KOGYO KK11 citations73
US4764134AAug 16, 1988
Trimming device for marine propulsion unit
SANSHIN KOGYO KK13 citations73
US4698037AOct 6, 1987
Protective cowling arrangement for outboard motor
SANSHIN KOGYO KK13 citations73
US5020483AJun 4, 1991
Intake system for two cycle internal combustion engine
SANSHIN KOGYO KK5 citations62
YAMAHA MOTOR CO LTD
4 patentsUS4521201AJun 4, 1985
Steering device for an outboard motor
YAMAHA MOTOR CO LTD49 citations92
US4498875AFeb 12, 1985
Outboard motor
YAMAHA MOTOR CO LTD28 citations92
US4452194AJun 5, 1984
Outboard motor
YAMAHA MOTOR CO LTD44 citations92
US7665381B2Feb 23, 2010
Control device for marine propulsion system
YAMAHA MOTOR CO LTD2 citations62