Inventor · disambiguated record
Masaki Yoshikawa
Also filed as: YOSHIKAWA MASAKI
41 granted patents·6 pending applications·148 citations·filing 1998–2022
97Inventor score
Files withJFE STEEL CORP19HYODO KOJI8HITACHI CONSTRUCTION MACH CO5HITACHI CONSTRUCTION MACHINERY5KCM CORP3
Top patents by PatentIndex Score
47 records- 0185US11401695B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2019·Granted Aug 2, 2022·5 cites·7 claims
- 0284US11353144B2Threaded jointJFE STEEL CORP·Filed 2019·Granted Jun 7, 2022·4 cites·3 claims
- 0383USD652063SConsole for construction machineTAKEUCHI AKITAKA·Filed 2011·Granted Jan 10, 2012·33 cites·1 claims
- 0479US11053749B2Threaded joint for oil well steel pipeJFE STEEL CORP·Filed 2017·Granted Jul 6, 2021·3 cites·2 claims
- 0578USD854055SArmrest for a working vehicleKCM CORP·Filed 2016·Granted Jul 16, 2019·18 cites·1 claims
- 0673US9470345B2Threaded joint for pipesJFE STEEL CORP·Filed 2012·Granted Oct 18, 2016·2 cites·6 claims
- 0772US9091221B2Engine speed control device for industrial vehicleHYODO KOJI·Filed 2010·Granted Jul 28, 2015·6 cites·4 claims
- 0870US8655557B2Motor control device for working vehicleHYODO KOJI·Filed 2010·Granted Feb 18, 2014·4 cites·7 claims
- 0970US7828107B2Forward/backward movement operation device for work machineHITACHI CONSTRUCTION MACHINERY·Filed 2005·Granted Nov 9, 2010·10 cites·3 claims
- 1068US11293169B2Wheel loader and bucket load calculation methodHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Apr 5, 2022·2 cites·6 claims
- 1168US9383002B2Operation vehicle travel control deviceHITACHI CONSTRUCTION MACHINERY·Filed 2013·Granted Jul 5, 2016·3 cites·2 claims
- 1267US8567186B2Control apparatus for working vehicleHYODO KOJI·Filed 2008·Granted Oct 29, 2013·8 cites·7 claims
- 1366US7912616B2Gear shifting control device for work machineHITACHI CONSTRUCTION MACHINERY·Filed 2006·Granted Mar 22, 2011·4 cites·10 claims
- 1465US11549620B2Screw joint for oil well pipeJFE STEEL CORP·Filed 2019·Granted Jan 10, 2023·1 cites·1 claims
- 1565US8991875B2Threaded joint for steel pipesYOSHIKAWA MASAKI·Filed 2012·Granted Mar 31, 2015·4 cites·3 claims
- 1664US9194190B2Threaded joint for pipeSONOBE OSAMU·Filed 2011·Granted Nov 24, 2015·3 cites·13 claims
- 1764US8671673B2Travel control apparatus for working vehicleHYODO KOJI·Filed 2008·Granted Mar 18, 2014·4 cites·8 claims
- 1863US8668624B2Motor control device for working vehicleHYODO KOJI·Filed 2010·Granted Mar 11, 2014·2 cites·8 claims
- 1962US10443765B2Threaded joint for pipesJFE STEEL CORP·Filed 2013·Granted Oct 15, 2019·2 cites·6 claims
- 2060USD859448SConstruction machine display screen with graphical user interfaceHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Sep 10, 2019·8 cites·1 claims
- 2160US9709196B2Threaded joint for heavy-walled oil country tubular goodsJFE STEEL CORP·Filed 2014·Granted Jul 18, 2017·1 cites·4 claims
- 2260US8315783B2Engine control device for working vehicleHYODO KOJI·Filed 2008·Granted Nov 20, 2012·5 cites·10 claims
- 2358US12359402B2Work vehicleHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Jul 15, 2025·0 cites·4 claims
- 2458US8744702B2Work vehicle control deviceHYODO KOJI·Filed 2010·Granted Jun 3, 2014·2 cites·9 claims
- 2557US10295091B2Threaded joint for tubeJFE STEEL CORP·Filed 2014·Granted May 21, 2019·1 cites·3 claims
- 2655US9982815B2Threaded joint for oil country tubular goodsJFE STEEL CORP·Filed 2014·Granted May 29, 2018·1 cites·1 claims
- 2752US9644547B2Engine control device for work vehicleKCM CORP·Filed 2012·Granted May 9, 2017·1 cites·5 claims
- 2852US7970522B2Gear shifting control system for work machineHITACHI CONSTRUCTION MACHINERY·Filed 2006·Granted Jun 28, 2011·1 cites·7 claims
- 2951US9657873B2Threaded joint for pipesKAWAI TAKAMASA·Filed 2012·Granted May 23, 2017·1 cites·5 claims
- 3049US9982491B2Threaded joint for oil country tubular goodsJFE STEEL CORP·Filed 2014·Granted May 29, 2018·0 cites·1 claims
- 3148US10125554B2Threaded joint for oil country tubular goodsJFE STEEL CORP·Filed 2014·Granted Nov 13, 2018·0 cites·1 claims
- 3248US8312793B2Hydraulic pressure supply device for industrial vehicleAZUMA HIROYUKI·Filed 2008·Granted Nov 20, 2012·1 cites·4 claims
- 3346US2015198270A1Threaded joint for pipesJFE STEEL CORP·Filed 2013·Application pending·0 cites
- 3446US2015091782A1Display Device for VehicleHITACHI CONSTRUCTION MACHINERY·Filed 2014·Application pending·0 cites
- 3545US10202809B2Threaded joint for steel pipesJFE STEEL CORP·Filed 2013·Granted Feb 12, 2019·0 cites·4 claims
- 3645US2024218280A1Agent for forming solid lubricating coating film, oil country tubular goods, and threaded joint for oil country tubular goodsJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 3744US12510443B2Make-up/break-out evaluation method for threaded joint for oil country tubular goodsJFE STEEL CORP·Filed 2022·Granted Dec 30, 2025·0 cites·20 claims
- 3842US12012725B2Loading work vehicleHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Jun 18, 2024·0 cites·5 claims
- 3942US11905765B2Threaded joint for pipesJFE STEEL CORP·Filed 2020·Granted Feb 20, 2024·0 cites·12 claims
- 4041US12110992B2Threaded joint of pipe and method for connecting sameJFE STEEL CORP·Filed 2020·Granted Oct 8, 2024·0 cites·5 claims
- 4141US2014003900A1Wheel loaderHYODO KOJI·Filed 2012·Application pending·0 cites
- 4241US2006225940A1Construction machineTANAKA HIDEAKI·Filed 2004·Application pending·0 cites
- 4340US6035821ACam shaft for engineYAMAHA MOTOR CO LTD·Filed 1998·Granted Mar 14, 2000·8 cites·7 claims
- 4439US10900595B2Threaded joint for oil well tubingJFE STEEL CORP·Filed 2016·Granted Jan 26, 2021·0 cites·1 claims
- 4539US10358794B2Work vehicleKCM CORP·Filed 2015·Granted Jul 23, 2019·0 cites·3 claims
- 4638US10711533B2Threaded pipe jointJFE STEEL CORP·Filed 2016·Granted Jul 14, 2020·0 cites·3 claims
- 4737US2018258709A1Screw joint for pipe (as amended)JFE STEEL CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →