Inventor · disambiguated record
Yasuhiko Henmi
Also filed as: HENMI YASUHIKO
13 granted patents·1 pending application·137 citations·filing 1992–2004
92Inventor score
Top patents by PatentIndex Score
14 records- 0172US5803775ASteering arrangement for jet propulsion unitYAMAHA MOTOR CO LTD·Filed 1996·Granted Sep 8, 1998·19 cites·18 claims
- 0266US6171158B1Cooling system for small watercraftYAMAHA MOTOR CO LTD·Filed 1997·Granted Jan 9, 2001·15 cites·36 claims
- 0360US6302752B1Induction system for watercraft engineYAMAHA MOTOR CO LTD·Filed 1999·Granted Oct 16, 2001·18 cites·37 claims
- 0457US6312299B1Induction system for watercraft engineYAMAHA MOTOR CO LTD·Filed 1999·Granted Nov 6, 2001·14 cites·29 claims
- 0556US6016782AAccelerating pump for watercraft engineYAMAHA MOTOR CO LTD·Filed 1998·Granted Jan 25, 2000·15 cites·20 claims
- 0653US5628269AJump pump arrangement for jet boatSANSHIN KOGYO KK·Filed 1995·Granted May 13, 1997·13 cites·6 claims
- 0752US5266009AImpeller structure for water jet propelled boatSANSHIN KOGYO KK·Filed 1992·Granted Nov 30, 1993·10 cites·5 claims
- 0848US6263851B1Air inlet device for watercraft engineYAMAHA MOTOR CO LTD·Filed 1998·Granted Jul 24, 2001·11 cites·15 claims
- 0944US7198531B2Drive shaft supporting structure for jet propulsion watercraftYAMAHA MARINE KK·Filed 2004·Granted Apr 3, 2007·2 cites·12 claims
- 1043US6857919B2Impeller for marine propulsion deviceYAMAHA MARINE KK·Filed 2001·Granted Feb 22, 2005·3 cites·86 claims
- 1143US5730633AImpeller shaft seal and lubricator arrangementSANSHIN KOGYO KK·Filed 1995·Granted Mar 24, 1998·7 cites·3 claims
- 1240US5277631AVane arrangement for a water jet propulsion assemblySANSHIN KOGYO KK·Filed 1992·Granted Jan 11, 1994·5 cites·7 claims
- 1336US2002164908A1Induction system for watercraft engineFiled 2001·Application pending·0 cites
- 1435US6000371AAccelerating pump for watercraft engineYAMAHA MOTOR CO LTD·Filed 1998·Granted Dec 14, 1999·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →