Inventor · disambiguated record
Akihiro Narazaki
Also filed as: NARAZAKI AKIHIRO
32 granted patents·5 pending applications·33 citations·filing 2007–2025
93Inventor score
Files withHITACHI CONSTRUCTION MACH CO31HITACHI CONSTRUCTION MACHINERY2NARAZAKI AKIHIRO2OKANO YASUO1TOYOTA MOTOR CO LTD1
Top patents by PatentIndex Score
37 records- 0195US11718977B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Aug 8, 2023·4 cites·4 claims
- 0291US11739502B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Aug 29, 2023·2 cites·4 claims
- 0386US11001985B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2017·Granted May 11, 2021·6 cites·5 claims
- 0479US8560185B2Control unit for construction machineNARAZAKI AKIHIRO·Filed 2011·Granted Oct 15, 2013·5 cites·11 claims
- 0573US8726664B2Engine lug-down suppressing device for hydraulic work machineryNARAZAKI AKIHIRO·Filed 2009·Granted May 20, 2014·5 cites·4 claims
- 0671US2025237037A1Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2025·Application pending·0 cites
- 0766US12286768B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Apr 29, 2025·0 cites·8 claims
- 0864US8006491B2Pump control apparatus for construction machineHITACHI CONSTRUCTION MACHINERY·Filed 2008·Granted Aug 30, 2011·6 cites·2 claims
- 0963US2024308329A1VehicleTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1062US12123438B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Oct 22, 2024·0 cites·9 claims
- 1162US11965315B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Apr 23, 2024·0 cites·5 claims
- 1262US2022267998A1Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Application pending·0 cites
- 1360US12104360B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Oct 1, 2024·0 cites·4 claims
- 1458US12442161B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Oct 14, 2025·0 cites·6 claims
- 1558US12297624B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2022·Granted May 13, 2025·0 cites·2 claims
- 1658US12012716B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Jun 18, 2024·0 cites·8 claims
- 1758US10677268B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Jun 9, 2020·1 cites·4 claims
- 1858US8371117B2Torque control apparatus for construction machine three-pump systemHITACHI CONSTRUCTION MACHINERY·Filed 2007·Granted Feb 12, 2013·3 cites·19 claims
- 1956US12428812B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2022·Granted Sep 30, 2025·0 cites·5 claims
- 2056US12227920B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Feb 18, 2025·0 cites·7 claims
- 2156US11885108B2Work machine and periphery monitoring systemHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Jan 30, 2024·0 cites·5 claims
- 2255US12416131B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Sep 16, 2025·0 cites·4 claims
- 2355US2024125091A1Construction MachineHITACHI CONSTRUCTION MACH CO·Filed 2021·Application pending·0 cites
- 2455US2024052600A1Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2021·Application pending·0 cites
- 2552US12460382B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2023·Granted Nov 4, 2025·0 cites·3 claims
- 2652US12221763B2Hydraulic excavatorHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Feb 11, 2025·0 cites·4 claims
- 2751US11781285B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Oct 10, 2023·0 cites·3 claims
- 2850US12134875B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Nov 5, 2024·0 cites·2 claims
- 2949US12371873B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Jul 29, 2025·0 cites·5 claims
- 3049US12325978B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2022·Granted Jun 10, 2025·0 cites·2 claims
- 3147US12454806B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Oct 28, 2025·0 cites·5 claims
- 3247US8321094B2Engine control system for construction machineOKANO YASUO·Filed 2008·Granted Nov 27, 2012·1 cites·7 claims
- 3346US12037772B2Remote control system for work machineHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Jul 16, 2024·0 cites·8 claims
- 3446US12000416B2Work machineHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Jun 4, 2024·0 cites·2 claims
- 3542US10662618B2Construction machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted May 26, 2020·0 cites·4 claims
- 3636US11274419B2Working machineHITACHI CONSTRUCTION MACH CO·Filed 2018·Granted Mar 15, 2022·0 cites·6 claims
- 3735US12467225B2Work machine assisting operation of operator by performing semi-automatic controlHITACHI CONSTRUCTION MACH CO·Filed 2019·Granted Nov 11, 2025·0 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Akihiro Narazaki files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →