Inventor
MURAOKA HIDEYASU
JP45 patents
⚠️ This page may combine multiple inventors who share the name “MURAOKA HIDEYASU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAWASAKI HEAVY IND LTD
42 patentsUS6892481B2May 17, 2005
Joystick device
KAWASAKI HEAVY IND LTD53 citations92
USD462685SSep 10, 2002
Joystick control actuator
KAWASAKI HEAVY IND LTD38 citations90
US11111931B2Sep 7, 2021
Controller unit and liquid-pressure driving system
KAWASAKI HEAVY IND LTD8 citations82
US11415240B2Aug 16, 2022
Poppet-type flow control valve
KAWASAKI HEAVY IND LTD2 citations73
US11073171B2Jul 27, 2021
Hydraulic system
KAWASAKI HEAVY IND LTD2 citations73
US10851809B2Dec 1, 2020
Hydraulic system
KAWASAKI HEAVY IND LTD2 citations73
US10844886B2Nov 24, 2020
Hydraulic system
KAWASAKI HEAVY IND LTD5 citations73
US10619632B2Apr 14, 2020
Hydraulic drive system of construction machine
KAWASAKI HEAVY IND LTD3 citations73
US10370825B2Aug 6, 2019
Hydraulic drive system of construction machine
KAWASAKI HEAVY IND LTD2 citations73
US10273985B2Apr 30, 2019
Hydraulic drive system of construction machine
KAWASAKI HEAVY IND LTD3 citations73
US11815109B2Nov 14, 2023
Regeneration device, hydraulic drive system equipped with same, and control device therefor
KAWASAKI HEAVY IND LTD4 citations72
US10590963B2Mar 17, 2020
Hydraulic excavator drive system
KAWASAKI HEAVY IND LTD2 citations72
US10066610B2Sep 4, 2018
Tilting angle control device
KAWASAKI HEAVY IND LTD5 citations72
US11220805B2Jan 11, 2022
Hydraulic excavator drive system
KAWASAKI HEAVY IND LTD2 citations71
US10107310B2Oct 23, 2018
Hydraulic drive system
KAWASAKI HEAVY IND LTD3 citations67
US12037774B2Jul 16, 2024
Hydraulic excavator drive system
KAWASAKI HEAVY IND LTD0 citations62
US11987958B2May 21, 2024
Multi-control valve
KAWASAKI HEAVY IND LTD1 citations62
US11795660B2Oct 24, 2023
Hydraulic system of construction machine
KAWASAKI HEAVY IND LTD1 citations62
US10900199B2Jan 26, 2021
Drive system of construction machine
KAWASAKI HEAVY IND LTD1 citations62
US12196230B2Jan 14, 2025
Control device and hydraulic system including the same
KAWASAKI HEAVY IND LTD0 citations60
US10794045B2Oct 6, 2020
Hydraulic driving system
KAWASAKI HEAVY IND LTD1 citations60
US12195951B2Jan 14, 2025
Hydraulic pump system and control device
KAWASAKI HEAVY IND LTD0 citations52
US11385131B2Jul 12, 2022
Detachment determining device and control unit
KAWASAKI HEAVY IND LTD0 citations52
US11041515B1Jun 22, 2021
Hydraulic system
KAWASAKI HEAVY IND LTD0 citations52
US12196337B2Jan 14, 2025
Directional and flow control valve and hydraulic system
KAWASAKI HEAVY IND LTD0 citations51
US12043987B2Jul 23, 2024
Hydraulic excavator drive system
KAWASAKI HEAVY IND LTD0 citations51
US12012724B2Jun 18, 2024
Hydraulic excavator drive system
KAWASAKI HEAVY IND LTD0 citations51
US11926986B2Mar 12, 2024
Hydraulic excavator drive system
KAWASAKI HEAVY IND LTD0 citations51
US11725674B2Aug 15, 2023
Hydraulic system
KAWASAKI HEAVY IND LTD0 citations51
US11655613B2May 23, 2023
Hydraulic system of construction machine
KAWASAKI HEAVY IND LTD0 citations51
US12352293B2Jul 8, 2025
Hydraulic drive system
KAWASAKI HEAVY IND LTD0 citations50
US12331762B2Jun 17, 2025
Hydraulic drive system
KAWASAKI HEAVY IND LTD0 citations50
US12055162B2Aug 6, 2024
Hydraulic drive system
KAWASAKI HEAVY IND LTD0 citations50
US11933331B2Mar 19, 2024
Control device and hydraulic system including the same
KAWASAKI HEAVY IND LTD0 citations50
US9732770B2Aug 15, 2017
Drive control system of operating machine, operating machine including drive control system, and drive control method of operating machine
KAWASAKI HEAVY IND LTD1 citations50
US11162239B2Nov 2, 2021
Hydraulic drive system
KAWASAKI HEAVY IND LTD0 citations49
US12404655B2Sep 2, 2025
Hydraulic-pump flow-rate calibration system
KAWASAKI HEAVY IND LTD0 citations48
US11280066B2Mar 22, 2022
Hydraulic drive system of construction machine
KAWASAKI HEAVY IND LTD0 citations46
US10107312B2Oct 23, 2018
Hydraulic system
KAWASAKI HEAVY IND LTD0 citations42
US10435866B2Oct 8, 2019
Drive control system of operating machine, operating machine including drive control system, and drive control method of operating machine
KAWASAKI HEAVY IND LTD0 citations39
US10844577B2Nov 24, 2020
Hydraulic drive system of construction machine
KAWASAKI HEAVY IND LTD0 citations38
US10006447B2Jun 26, 2018
Liquid-pressure driving system
KAWASAKI HEAVY IND LTD0 citations38