Inventor
YOSHIKAWA MASAKI
JP45 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIKAWA MASAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JFE STEEL CORP
16 patentsUS11053749B2Jul 6, 2021
Threaded joint for oil well steel pipe
JFE STEEL CORP3 citations72
US10443765B2Oct 15, 2019
Threaded joint for pipes
JFE STEEL CORP2 citations72
US11353144B2Jun 7, 2022
Threaded joint
JFE STEEL CORP4 citations71
US10295091B2May 21, 2019
Threaded joint for tube
JFE STEEL CORP1 citations61
US11549620B2Jan 10, 2023
Screw joint for oil well pipe
JFE STEEL CORP1 citations60
US9470345B2Oct 18, 2016
Threaded joint for pipes
JFE STEEL CORP2 citations60
US9982815B2May 29, 2018
Threaded joint for oil country tubular goods
JFE STEEL CORP1 citations51
US9709196B2Jul 18, 2017
Threaded joint for heavy-walled oil country tubular goods
JFE STEEL CORP1 citations51
US12110992B2Oct 8, 2024
Threaded joint of pipe and method for connecting same
JFE STEEL CORP0 citations50
US11905765B2Feb 20, 2024
Threaded joint for pipes
JFE STEEL CORP0 citations50
US10900595B2Jan 26, 2021
Threaded joint for oil well tubing
JFE STEEL CORP0 citations50
US12510443B2Dec 30, 2025
Make-up/break-out evaluation method for threaded joint for oil country tubular goods
JFE STEEL CORP0 citations46
US10711533B2Jul 14, 2020
Threaded pipe joint
JFE STEEL CORP0 citations41
US10202809B2Feb 12, 2019
Threaded joint for steel pipes
JFE STEEL CORP0 citations40
US10125554B2Nov 13, 2018
Threaded joint for oil country tubular goods
JFE STEEL CORP0 citations40
US9982491B2May 29, 2018
Threaded joint for oil country tubular goods
JFE STEEL CORP0 citations40
HYODO KOJI
7 patentsUS8567186B2Oct 29, 2013
Control apparatus for working vehicle
HYODO KOJI8 citations81
US8655557B2Feb 18, 2014
Motor control device for working vehicle
HYODO KOJI4 citations72
US9091221B2Jul 28, 2015
Engine speed control device for industrial vehicle
HYODO KOJI6 citations71
US8671673B2Mar 18, 2014
Travel control apparatus for working vehicle
HYODO KOJI4 citations71
US8744702B2Jun 3, 2014
Work vehicle control device
HYODO KOJI2 citations61
US8668624B2Mar 11, 2014
Motor control device for working vehicle
HYODO KOJI2 citations60
US8315783B2Nov 20, 2012
Engine control device for working vehicle
HYODO KOJI5 citations60
HITACHI CONSTRUCTION MACH CO
5 patentsUSD859448SSep 10, 2019
Construction machine display screen with graphical user interface
HITACHI CONSTRUCTION MACH CO8 citations82
US11401695B2Aug 2, 2022
Work machine
HITACHI CONSTRUCTION MACH CO5 citations71
US11293169B2Apr 5, 2022
Wheel loader and bucket load calculation method
HITACHI CONSTRUCTION MACH CO2 citations69
US12012725B2Jun 18, 2024
Loading work vehicle
HITACHI CONSTRUCTION MACH CO0 citations51
US12359402B2Jul 15, 2025
Work vehicle
HITACHI CONSTRUCTION MACH CO0 citations50
HITACHI CONSTRUCTION MACHINERY
4 patentsUS7828107B2Nov 9, 2010
Forward/backward movement operation device for work machine
HITACHI CONSTRUCTION MACHINERY10 citations82
US9383002B2Jul 5, 2016
Operation vehicle travel control device
HITACHI CONSTRUCTION MACHINERY3 citations72
US7912616B2Mar 22, 2011
Gear shifting control device for work machine
HITACHI CONSTRUCTION MACHINERY4 citations62
US7970522B2Jun 28, 2011
Gear shifting control system for work machine
HITACHI CONSTRUCTION MACHINERY1 citations51