Inventor · disambiguated record
Masahisa Kawamura
Also filed as: KAWAMURA MASAHISA
18 granted patents·2 pending applications·349 citations·filing 1985–2010
95Inventor score
Top patents by PatentIndex Score
20 records- 0198US4893524AHST system axle driving apparatusKANZAKI KOKYUKOKI MFG CO LTD·Filed 1988·Granted Jan 16, 1990·125 cites·4 claims
- 0290US7231765B2Pump unit and hydrostatic transmissionKAWAMURA MASAHISA·Filed 2005·Granted Jun 19, 2007·20 cites·12 claims
- 0386US7762371B2Pump unit and hydrostatic transmissionKANZAKI KOKYUKOKI MFG CO LTD·Filed 2008·Granted Jul 27, 2010·7 cites·3 claims
- 0481US5069037AFluid supply system for vehiclesKANZAKI KOKYUKOKI MFG CO LTD·Filed 1990·Granted Dec 3, 1991·57 cites·3 claims
- 0572US7677038B2Pump unitKANZAKI KOKYUKOKI MFG CO LTD·Filed 2007·Granted Mar 16, 2010·3 cites·10 claims
- 0671US7430863B2Pump unit and hydrostatic transmissionKANZAKI KOKYUKOKI MFG CO LTD·Filed 2007·Granted Oct 7, 2008·2 cites·6 claims
- 0771US4773216AFlow divider valve for hydraulic system in working vehiclesKANZAKI KOKYUKOKI MFG CO LTD·Filed 1986·Granted Sep 27, 1988·16 cites·3 claims
- 0868US4643442AFluid supply system for working vehiclesKANZAKI KOKYUKOKI MFG CO LTD·Filed 1985·Granted Feb 17, 1987·21 cites·6 claims
- 0967US7370476B2Pump system, charge relief mechanism and oil pressure control mechanismKANZAKI KOKYUKOKI MFG CO LTD·Filed 2005·Granted May 13, 2008·4 cites·4 claims
- 1063US6450309B1Transmission system structure of vehicleYANMAR DIESEL ENGINE CO·Filed 2000·Granted Sep 17, 2002·18 cites·22 claims
- 1162US8002073B2Hydraulic drive working vehicleKANZAKI KOKYUKOKI MFG CO LTD·Filed 2009·Granted Aug 23, 2011·5 cites·7 claims
- 1258US5479845AFluid supply assembly for working vehiclesKANZAKI KOKYUKOKI MFG CO LTD·Filed 1994·Granted Jan 2, 1996·14 cites·11 claims
- 1357US4866936ATwo-stage flow divider with pressure-relief valves in each stage to regulate flow in hydraulic system for working vehiclesKANZAKI KOKYUKOKI MFG CO LTD·Filed 1988·Granted Sep 19, 1989·10 cites·3 claims
- 1456US7775309B2Pump unitKANZAKI KOKYUKOKI MFG CO LTD·Filed 2007·Granted Aug 17, 2010·2 cites·4 claims
- 1555US6199653B1Four-wheel driven vehicleKANZAKI KOKYUKOKI MFG CO LTD·Filed 1998·Granted Mar 13, 2001·24 cites·14 claims
- 1645US2008185053A1Pump system, charge relief mechanism and oil pressure control mechanismKAWAMURA MASAHISA·Filed 2008·Application pending·0 cites
- 1744US2010257856A1Pump Unit And Hydrostatic TransmissionKAWAMURA MASAHISA·Filed 2010·Application pending·0 cites
- 1842US4637482AHydraulic system in working vehiclesKANZAKI KOKYUKOKI MFG CO LTD·Filed 1986·Granted Jan 20, 1987·9 cites·4 claims
- 1938US5720214AFluid supply assembly for working vehiclesKANZAKI KOKYUKOKI MFG CO LTD·Filed 1997·Granted Feb 24, 1998·10 cites·11 claims
- 2033US4856277ATwo-stage flow divider with constant orifice first stage in hydraulic system for working vehiclesKANZAKI KOKYUKOKI MFG CO LTD·Filed 1988·Granted Aug 15, 1989·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →