Inventor · disambiguated record
Hirofumi Imaeda
Also filed as: IMAEDA HIROFUMI
18 granted patents·321 citations·filing 1989–1998
95Inventor score
Files withYAMAHA MOTOR CO LTD9SANSHIN KOGYO KK6MAKI YASUSHI1SANSHIN KOGYO KABUSHIKA KAISHA1YAMAHA HATSODUKI KABUSHIKI KAI1
Top patents by PatentIndex Score
18 records- 0197US5507672ATrim adjust system for a watercraftYAMAHA MOTOR CO LTD·Filed 1994·Granted Apr 16, 1996·74 cites·18 claims
- 0295US5540174ATrim adjusting system for jet propulsion boatYAMAHA MOTOR CO LTD·Filed 1994·Granted Jul 30, 1996·63 cites·16 claims
- 0388US5050461AAssist device for shift operation of marine propulsion systemSANSHIN KOGYO KK·Filed 1990·Granted Sep 24, 1991·32 cites·6 claims
- 0469US5145426AMulti jet propelled watercraftYAMAHA MOTOR CO LTD·Filed 1991·Granted Sep 8, 1992·21 cites·27 claims
- 0565US5254024ARotatable jet propulsion unit for watercraftYAMAHA MOTOR CO LTD·Filed 1991·Granted Oct 19, 1993·14 cites·15 claims
- 0665US5209683ARemovable jet propulsion unit for watercraftYAMAHA HATSODUKI KABUSHIKI KAI·Filed 1991·Granted May 11, 1993·16 cites·13 claims
- 0764US5240444AWater jet propulsion boatYAMAHA MOTOR CO LTD·Filed 1992·Granted Aug 31, 1993·14 cites·29 claims
- 0859USD395273SJet boatMAKI YASUSHI·Filed 1996·Granted Jun 16, 1998·14 cites·1 claims
- 0957US4995370ALinked operating device for multiple carburetorsSANSHIN KOGYO KABUSHIKA KAISHA·Filed 1990·Granted Feb 26, 1991·18 cites·5 claims
- 1053US5857423ASeat arrangement for a watercraftYAMAHA MOTOR CO LTD·Filed 1996·Granted Jan 12, 1999·12 cites·37 claims
- 1151US4967704AAir intake device for engine of marine propulsion boatSANSHIN KOGYO KK·Filed 1989·Granted Nov 6, 1990·11 cites·16 claims
- 1250US4971006ASynchronizing mechanism for throttle valves of multiple carburetorsSANSHIN KOGYO KK·Filed 1989·Granted Nov 20, 1990·11 cites·5 claims
- 1342US5088468AInterlinking mechanism for multiple carburetor systemSANSHIN KOGYO KK·Filed 1990·Granted Feb 18, 1992·9 cites·17 claims
- 1436US5261841AControl for jet propulsion unit of watercraftYAMAHA MOTOR CO LTD·Filed 1992·Granted Nov 16, 1993·3 cites·26 claims
- 1533US5845596ASeat arrangement for watercraftYAMAHA MOTOR CO LTD·Filed 1998·Granted Dec 8, 1998·4 cites·3 claims
- 1633US5256089AWater jet propulsion unitYAMAHA MOTOR CO LTD·Filed 1991·Granted Oct 26, 1993·2 cites·21 claims
- 1733US4990112APower transmitting device for marine propulsion unitSANSHIN KOGYO KK·Filed 1989·Granted Feb 5, 1991·2 cites·8 claims
- 1830US4987353ACurrent switching device for motorSANSHIN KOGYO KK·Filed 1989·Granted Jan 22, 1991·1 cites·7 claims
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