Inventor · disambiguated record
Sadao Nunotani
Also filed as: NUNOTANI SADAO
22 granted patents·343 citations·filing 1977–2004
96Inventor score
Top patents by PatentIndex Score
22 records- 0181US6209675B1Travel drive apparatus for hydraulic drive work vehicle and control method thereforKOMATSU MFG CO LTD·Filed 1999·Granted Apr 3, 2001·34 cites·7 claims
- 0279US6578296B2Hydraulically driven type working machineKOMATSU MFG CO LTD·Filed 2001·Granted Jun 17, 2003·27 cites·9 claims
- 0377US5946910AHydraulic circuit for hydraulically driven working vehicleKOMATSU MFG CO LTD·Filed 1996·Granted Sep 7, 1999·42 cites·4 claims
- 0477US4143719AMulti-vibro pile hammerKOMATSU MFG CO LTD·Filed 1977·Granted Mar 13, 1979·28 cites·14 claims
- 0570US6112521ABackpressure control circuit for hydraulic drive deviceKOMATSU MFG CO LTD·Filed 1997·Granted Sep 5, 2000·20 cites·20 claims
- 0667US6226987B1Travel drive apparatus for hydraulic drive work vehicles and control thereforKOMATSU MFG CO LTD·Filed 1998·Granted May 8, 2001·21 cites·3 claims
- 0767US5907952ACapacity control device for a hydraulic motor for a hydraulically driven vehicleKOMATSU MFG CO LTD·Filed 1996·Granted Jun 1, 1999·23 cites·5 claims
- 0858US5253672AHydraulic pressure control systemKOMATSU MFG CO LTD·Filed 1989·Granted Oct 19, 1993·13 cites·7 claims
- 0957US6481333B1Positioning device, capacity controller using positioning device, and speed changing deviceKOMATSU MFG CO LTD·Filed 2000·Granted Nov 19, 2002·8 cites·7 claims
- 1057US5826488ASwash plate angle changing apparatus for a piston pump/motor of swash plate typeKOMATSU MFG CO LTD·Filed 1995·Granted Oct 27, 1998·19 cites·3 claims
- 1156US5163477AElectrohydraulic proportional control valveKOMATSU MFG CO LTD·Filed 1989·Granted Nov 17, 1992·17 cites·3 claims
- 1254US5884984AHydraulic braking apparatus having two safety valvesKOMATSU MFG CO LTD·Filed 1995·Granted Mar 23, 1999·12 cites·4 claims
- 1353US6068013ACounter balance valveKOMATSU MFG CO LTD·Filed 1995·Granted May 30, 2000·12 cites·4 claims
- 1453US5136930AApparatus for supplying pressure oil to hydraulic cylinders employed in working machinesKOMATSU MFG CO LTD·Filed 1989·Granted Aug 11, 1992·11 cites·1 claims
- 1552US6324959B1Piston pump motorKOMATSU MFG CO LTD·Filed 1998·Granted Dec 4, 2001·16 cites·6 claims
- 1644US5930997ADriving device for a hydraulic motorKOMATSU MFG CO LTD·Filed 1996·Granted Aug 3, 1999·9 cites·10 claims
- 1743US4646622AHydraulic control apparatusKOMATSU MFG CO LTD·Filed 1985·Granted Mar 3, 1987·11 cites·3 claims
- 1839US7124577B2Vehicular steering control deviceKOMATSU MFG CO LTD·Filed 2004·Granted Oct 24, 2006·0 cites·2 claims
- 1935US5255705AHydraulic pressure control systemKOMATSU MFG CO LTD·Filed 1988·Granted Oct 26, 1993·4 cites·6 claims
- 2035US5234028AVariable pressure control valveKABUSHIKI KAISHO KOMATSU SEISA·Filed 1990·Granted Aug 10, 1993·9 cites·3 claims
- 2135US5076144APoppet valve deviceKOMATSU MFG CO LTD·Filed 1989·Granted Dec 31, 1991·4 cites·10 claims
- 2232US4984603AFlow control valve assemblyKOMATSU MFG CO LTD·Filed 1989·Granted Jan 15, 1991·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →