Inventor · disambiguated record
Eifu Watanabe
Also filed as: WATANABE EIFU
14 granted patents·270 citations·filing 1982–2009
93Inventor score
Top patents by PatentIndex Score
14 records- 0194US4521201ASteering device for an outboard motorYAMAHA MOTOR CO LTD·Filed 1983·Granted Jun 4, 1985·49 cites·7 claims
- 0291US7452254B2Remote control unit for a boatYAMAHA MARINE KK·Filed 2007·Granted Nov 18, 2008·22 cites·18 claims
- 0391US4452194AOutboard motorYAMAHA MOTOR CO LTD·Filed 1982·Granted Jun 5, 1984·44 cites·8 claims
- 0481US4952180ACowling for outboard motorSANSHIN KOGYO KK·Filed 1989·Granted Aug 28, 1990·32 cites·9 claims
- 0581US4498875AOutboard motorYAMAHA MOTOR CO LTD·Filed 1982·Granted Feb 12, 1985·28 cites·8 claims
- 0676US5025763ALatching mechanism for outboard motor cowlingSANSHIN KOGYO KK·Filed 1989·Granted Jun 25, 1991·26 cites·14 claims
- 0772US4828519AOutboard motorsSANSHIN KOGYO KK·Filed 1983·Granted May 9, 1989·21 cites·17 claims
- 0863US7507130B2Remote control device for a boatYAMAHA MARINE KK·Filed 2007·Granted Mar 24, 2009·4 cites·25 claims
- 0963US4764134ATrimming device for marine propulsion unitSANSHIN KOGYO KK·Filed 1986·Granted Aug 16, 1988·13 cites·22 claims
- 1059US7665381B2Control device for marine propulsion systemYAMAHA MOTOR CO LTD·Filed 2006·Granted Feb 23, 2010·2 cites·14 claims
- 1154US4698037AProtective cowling arrangement for outboard motorSANSHIN KOGYO KK·Filed 1986·Granted Oct 6, 1987·13 cites·7 claims
- 1243US5074812ATorsional damper for marine propulsion engineSANSHIN KOGYO KK·Filed 1990·Granted Dec 24, 1991·11 cites·15 claims
- 1338US8077056B2Immobilizer receiver for outboard motorWATANABE EIFU·Filed 2009·Granted Dec 13, 2011·0 cites·7 claims
- 1436US5020483AIntake system for two cycle internal combustion engineSANSHIN KOGYO KK·Filed 1990·Granted Jun 4, 1991·5 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →