Inventor · disambiguated record
Chihiro Matsumoto
Also filed as: MATSUMOTO CHIHIRO
8 granted patents·1 pending application·99 citations·filing 1993–2023
87Inventor score
Top patents by PatentIndex Score
9 records- 0181US5551898ADischarge nozzle arrangement for water jet propulsion unitSANSHIN KOGYO KK·Filed 1995·Granted Sep 3, 1996·27 cites·14 claims
- 0274US11204617B2Boat and throttle operating deviceYAMAHA MOTOR CO LTD·Filed 2019·Granted Dec 21, 2021·2 cites·19 claims
- 0373US5582125ASmall jet propelled boatSANSHIN KOGYO KK·Filed 1993·Granted Dec 10, 1996·24 cites·10 claims
- 0469US8696946B2Conductive powder, conductive material containing the same, and method for producing the sameMATSUMOTO CHIHIRO·Filed 2011·Granted Apr 15, 2014·9 cites·8 claims
- 0568US6506086B2Exhaust system for watercraftSANSHIN KOGYO KK·Filed 2001·Granted Jan 14, 2003·12 cites·35 claims
- 0659US6244913B1Propulsion unit assembly for personal watercraftYAMAHA MOTOR CO LTD·Filed 1999·Granted Jun 12, 2001·12 cites·36 claims
- 0758US6383040B2Jet propulsion system for watercraftSANSHIN KOGYO KK·Filed 2001·Granted May 7, 2002·6 cites·7 claims
- 0856US2024208627A1Watercraft and method of controlling watercraftYAMAHA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 0943US5730633AImpeller shaft seal and lubricator arrangementSANSHIN KOGYO KK·Filed 1995·Granted Mar 24, 1998·7 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →