Inventor · disambiguated record
Tomio Iwai
Also filed as: IWAI TOMIO
17 granted patents·544 citations·filing 1976–1993
96Inventor score
Top patents by PatentIndex Score
17 records- 0198US4075985ATwo cycle internal combustion enginesYAMAHA MOTOR CO LTD·Filed 1976·Granted Feb 28, 1978·108 cites·7 claims
- 0295US5352137AAutomatic position controller for marine propulsionsSANSHIN KOGYO KK·Filed 1991·Granted Oct 4, 1994·48 cites·23 claims
- 0391US4630446AOutboard motor with turbo-chargerSANSHIN KOGYO KK·Filed 1984·Granted Dec 23, 1986·38 cites·22 claims
- 0490US4493661AOutboard engineYAMAHA MOTOR CO LTD·Filed 1983·Granted Jan 15, 1985·37 cites·20 claims
- 0588US4372258ALubricating system for outboard engineYAMAHA MOTOR CO LTD·Filed 1981·Granted Feb 8, 1983·39 cites·5 claims
- 0686US4747796ASmoothing device for rotation of propeller of boat propulsion machineSANSHIN KOGYO KK·Filed 1986·Granted May 31, 1988·51 cites·6 claims
- 0785US4566415ASpeed controller for marine propulsion deviceSANSHIN KOGYO KK·Filed 1983·Granted Jan 28, 1986·27 cites·16 claims
- 0880US4735046AOil remover from exhaust gas of marine propulsion unitSANSHIN KOGYO KK·Filed 1986·Granted Apr 5, 1988·46 cites·8 claims
- 0978US4673358AMounting arrangement for outboard driveSANSHIN KOGYO KK·Filed 1985·Granted Jun 16, 1987·22 cites·46 claims
- 1074US4661076ACowling assembly for an outboard engineSANSHIN KOGYO KK·Filed 1986·Granted Apr 28, 1987·19 cites·14 claims
- 1173US4403578ASeparate lubricating system for outboard engineYAMAHA MOTOR CO LTD·Filed 1981·Granted Sep 13, 1983·22 cites·24 claims
- 1268US4821687ATwo-stroke engineSANSHIN KOGYO KK·Filed 1987·Granted Apr 18, 1989·21 cites·12 claims
- 1363US4810218AMarine propulsion deviceSANSHIN KOGYO KK·Filed 1987·Granted Mar 7, 1989·13 cites·6 claims
- 1459US4677826AOutboard motor with turbo-chargerSANSHIN KOGYO KK·Filed 1986·Granted Jul 7, 1987·13 cites·6 claims
- 1555US4920933AV-shaped two cycle engine for outboardSANSHIN KOGYO KK·Filed 1988·Granted May 1, 1990·11 cites·6 claims
- 1652US4399797AIntake heating system for outboard engineYAMAHA MOTOR CO LTD·Filed 1981·Granted Aug 23, 1983·11 cites·15 claims
- 1747US5546748AExhaust system for outboard motorSANSHIN KOGYO KK·Filed 1993·Granted Aug 20, 1996·18 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →