Inventor · disambiguated record
Ryu Narikawa
Also filed as: NARIKAWA RYU
18 granted patents·10 pending applications·25 citations·filing 2016–2024
89Inventor score
Top patents by PatentIndex Score
28 records- 0192US11230824B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Jan 25, 2022·8 cites·7 claims
- 0279US10435870B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2016·Granted Oct 8, 2019·4 cites·9 claims
- 0377US10604914B2Control system for hydraulic construction machineHITACHI CONSTRUCTION MACH CO·Filed 2016·Granted Mar 31, 2020·3 cites·2 claims
- 0475US10450722B2Control system for construction machineHITACHI CONSTRUCTION MACH CO·Filed 2016·Granted Oct 22, 2019·3 cites·4 claims
- 0570US11668069B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Jun 6, 2023·2 cites·4 claims
- 0669US11391011B2Hydraulic excavatorHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Jul 19, 2022·2 cites·4 claims
- 0769US11168459B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted Nov 9, 2021·2 cites·7 claims
- 0864US11879233B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2019·Granted Jan 23, 2024·1 cites·3 claims
- 0960US2025207353A1Work vehicleHITACHI CONSTRUCTION MACH CO·Filed 2023·Application pending·0 cites
- 1060US2025391271A1Agent control system and agent control methodHITACHI LTD·Filed 2023·Application pending·0 cites
- 1160US2025010861A1Autonomous control system and autonomous control methodHITACHI LTD·Filed 2024·Application pending·0 cites
- 1259US2025223784A1Work machineHITACHI CONSTRUCTION MACH CO·Filed 2023·Application pending·0 cites
- 1359US2025315744A1Agent Management System and Agent Management MethodHITACHI LTD·Filed 2023·Application pending·0 cites
- 1459US2025059725A1Work machineHITACHI CONSTRUCTION MACH CO·Filed 2023·Application pending·0 cites
- 1556US12264452B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2022·Granted Apr 1, 2025·0 cites·6 claims
- 1656US2024376693A1Work machineHITACHI CONSTRUCTION MACH CO·Filed 2022·Application pending·0 cites
- 1754US12503827B2Loading work support system having a first position calculator, a posture detector and a second position calculatorHITACHI LTD·Filed 2021·Granted Dec 23, 2025·0 cites·10 claims
- 1854US12385220B2Automated work systemHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Aug 12, 2025·0 cites·8 claims
- 1954US12065805B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2022·Granted Aug 20, 2024·0 cites·4 claims
- 2054US2024125096A1Work management system and work machineHITACHI CONSTRUCTION MACH CO·Filed 2022·Application pending·0 cites
- 2152US2025383665A1Autonomous control systemHITACHI LTD·Filed 2023·Application pending·0 cites
- 2251US12331483B2Work machine control systemHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Jun 17, 2025·0 cites·8 claims
- 2350US2022316173A1Work machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Application pending·0 cites
- 2447US11649612B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted May 16, 2023·0 cites·10 claims
- 2545US11970840B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2019·Granted Apr 30, 2024·0 cites·6 claims
- 2645US11639593B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted May 2, 2023·0 cites·4 claims
- 2744US12012723B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2019·Granted Jun 18, 2024·0 cites·4 claims
- 2841US11313107B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Apr 26, 2022·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →