Inventor · disambiguated record
Takuma Koinuma
Also filed as: KOINUMA TAKUMA
5 granted patents·2 citations·filing 2019–2022
62Inventor score
Files withHITACHI CONSTRUCTION MACH CO5
Top patents by PatentIndex Score
5 records- 0171US11885398B2Power transmission device for vehicleHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Jan 30, 2024·1 cites·11 claims
- 0264US11506246B2Power transmission deviceHITACHI CONSTRUCTION MACH CO·Filed 2019·Granted Nov 22, 2022·1 cites·7 claims
- 0348US11859703B2Power transmission device for vehicleHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Jan 2, 2024·0 cites·8 claims
- 0446US12460385B2Power transmission device for vehicleHITACHI CONSTRUCTION MACH CO·Filed 2022·Granted Nov 4, 2025·0 cites·6 claims
- 0541US11674576B2Speed-changing deviceHITACHI CONSTRUCTION MACH CO·Filed 2020·Granted Jun 13, 2023·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →