Inventor
NUNOTANI SADAO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “NUNOTANI SADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOMATSU MFG CO LTD
21 patentsUS6578296B2Jun 17, 2003
Hydraulically driven type working machine
KOMATSU MFG CO LTD27 citations92
US6226987B1May 8, 2001
Travel drive apparatus for hydraulic drive work vehicles and control therefor
KOMATSU MFG CO LTD21 citations92
US6209675B1Apr 3, 2001
Travel drive apparatus for hydraulic drive work vehicle and control method therefor
KOMATSU MFG CO LTD34 citations92
US6112521ASep 5, 2000
Backpressure control circuit for hydraulic drive device
KOMATSU MFG CO LTD20 citations92
US5946910ASep 7, 1999
Hydraulic circuit for hydraulically driven working vehicle
KOMATSU MFG CO LTD42 citations92
US5907952AJun 1, 1999
Capacity control device for a hydraulic motor for a hydraulically driven vehicle
KOMATSU MFG CO LTD23 citations89
US5826488AOct 27, 1998
Swash plate angle changing apparatus for a piston pump/motor of swash plate type
KOMATSU MFG CO LTD19 citations82
US6324959B1Dec 4, 2001
Piston pump motor
KOMATSU MFG CO LTD16 citations81
US4143719AMar 13, 1979
Multi-vibro pile hammer
KOMATSU MFG CO LTD28 citations81
US6068013AMay 30, 2000
Counter balance valve
KOMATSU MFG CO LTD12 citations73
US5163477ANov 17, 1992
Electrohydraulic proportional control valve
KOMATSU MFG CO LTD17 citations73
US5136930AAug 11, 1992
Apparatus for supplying pressure oil to hydraulic cylinders employed in working machines
KOMATSU MFG CO LTD11 citations73
US5884984AMar 23, 1999
Hydraulic braking apparatus having two safety valves
KOMATSU MFG CO LTD12 citations72
US5253672AOct 19, 1993
Hydraulic pressure control system
KOMATSU MFG CO LTD13 citations72
US6481333B1Nov 19, 2002
Positioning device, capacity controller using positioning device, and speed changing device
KOMATSU MFG CO LTD8 citations71
US5930997AAug 3, 1999
Driving device for a hydraulic motor
KOMATSU MFG CO LTD9 citations71
US4646622AMar 3, 1987
Hydraulic control apparatus
KOMATSU MFG CO LTD11 citations70
US5076144ADec 31, 1991
Poppet valve device
KOMATSU MFG CO LTD4 citations62
US4984603AJan 15, 1991
Flow control valve assembly
KOMATSU MFG CO LTD3 citations62
US5255705AOct 26, 1993
Hydraulic pressure control system
KOMATSU MFG CO LTD4 citations61
US7124577B2Oct 24, 2006
Vehicular steering control device
KOMATSU MFG CO LTD0 citations41