Inventor · disambiguated record
Hitoshi Muramatsu
Also filed as: MURAMATSU HITOSHI
16 granted patents·3 pending applications·184 citations·filing 1992–2012
92Inventor score
Top patents by PatentIndex Score
19 records- 0187US5350777AProduction and use of open cell rigid polyurethane foamMATSUSHITA REFRIGERATION·Filed 1993·Granted Sep 27, 1994·40 cites·20 claims
- 0277US6475046B2Lubrication system for 4-cycle engine of small watercraftSANSHIN KOGYO KK·Filed 2001·Granted Nov 5, 2002·18 cites·41 claims
- 0377US5980722APlated aluminum alloy, cylinder block thereof, plating line and plating methodSUZUKI MOTOR CO·Filed 1997·Granted Nov 9, 1999·41 cites·16 claims
- 0474US8110077B2Sealing jig and plating treatment apparatusMURAMATSU HITOSHI·Filed 2009·Granted Feb 7, 2012·1 cites·7 claims
- 0574US6491556B2Ventilation system for watercraft engineSANSHIN KOGYO KK·Filed 2001·Granted Dec 10, 2002·18 cites·40 claims
- 0674US5457138AMethod for producing open cell rigid polyurethane foamTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1992·Granted Oct 10, 1995·22 cites·9 claims
- 0773US7669576B2Lubricating apparatus for 4-cycle engineYAMAHA MOTOR CO LTD·Filed 2007·Granted Mar 2, 2010·6 cites·40 claims
- 0869US8815062B2Plating pretreatment apparatus and method for multi-cylinder blockASOU TOMOHIRO·Filed 2009·Granted Aug 26, 2014·2 cites·6 claims
- 0969US5561172AMethod of producing rigid polyurethane foamsDAIKIN IND LTD·Filed 1993·Granted Oct 1, 1996·17 cites·16 claims
- 1066US7384321B2Throttle opening controller for small planing boatYAMAHA MARINE KK·Filed 2006·Granted Jun 10, 2008·5 cites·23 claims
- 1166US6695658B1Oil tank construction for small watercraftYAMAHA MARINE KK·Filed 2002·Granted Feb 24, 2004·13 cites·13 claims
- 1258US8585876B2Cylinder block plate processing apparatus and sealing mechanism of the sameMURAMATSU HITOSHI·Filed 2009·Granted Nov 19, 2013·0 cites·4 claims
- 1358US8449753B2Plating pretreatment apparatus and method for cylinder blockMURAMATSU HITOSHI·Filed 2009·Granted May 28, 2013·0 cites·5 claims
- 1458US8257574B2Plating methodMURAMATSU HITOSHI·Filed 2009·Granted Sep 4, 2012·0 cites·3 claims
- 1558US8038491B2BoatYAMAHA MOTOR CO LTD·Filed 2009·Granted Oct 18, 2011·1 cites·6 claims
- 1657US8057647B2Electrode mounting structure of surface treatment apparatusASOU TOMOHIRO·Filed 2009·Granted Nov 15, 2011·0 cites·8 claims
- 1753US2009277786A1Plating processing lineSUZUKI MOTOR CORP·Filed 2009·Application pending·0 cites
- 1850US2010151752A1Water jet propulsion watercraftYAMAHA MOTOR CO LTD·Filed 2009·Application pending·0 cites
- 1945US2012217167A1Method for painting article to be treatedTANAKA HIROOMI·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →