Inventor · disambiguated record
Koichi Kiyasu
Also filed as: KIYASU KOICHI
14 granted patents·2 pending applications·25 citations·filing 2017–2024
87Inventor score
Files withCATERPILLAR SARL16
Top patents by PatentIndex Score
16 records- 0194US12180682B2Hydraulic control systemCATERPILLAR SARL·Filed 2022·Granted Dec 31, 2024·4 cites·4 claims
- 0294US11692332B2Hydraulic control systemCATERPILLAR SARL·Filed 2020·Granted Jul 4, 2023·4 cites·5 claims
- 0390US12123172B2Boom control circuit for a construction machineCATERPILLAR SARL·Filed 2021·Granted Oct 22, 2024·2 cites·2 claims
- 0490US11566640B2Hydraulic control circuit for a construction machineCATERPILLAR SARL·Filed 2019·Granted Jan 31, 2023·7 cites·4 claims
- 0588US12018459B2Hydraulic control system for a working machineCATERPILLAR SARL·Filed 2021·Granted Jun 25, 2024·2 cites·5 claims
- 0687US12366054B2Hydraulic control system in working machineCATERPILLAR SARL·Filed 2022·Granted Jul 22, 2025·1 cites·4 claims
- 0786US12410588B2Hydraulic control system in working machineCATERPILLAR SARL·Filed 2022·Granted Sep 9, 2025·1 cites·3 claims
- 0881US12345019B2Hydraulic control system in working machinesCATERPILLAR SARL·Filed 2022·Granted Jul 1, 2025·1 cites·4 claims
- 0979US11629479B2Hydraulic control circuit for a construction machineCATERPILLAR SARL·Filed 2019·Granted Apr 18, 2023·3 cites·6 claims
- 1066US12428817B2Hydraulic circuit of a construction machineryCATERPILLAR SARL·Filed 2024·Granted Sep 30, 2025·0 cites·12 claims
- 1160US2025263902A1Hydraulic control system in working machinesCATERPILLAR SARL·Filed 2023·Application pending·0 cites
- 1257US12320372B2Calibration system and calibration method in hydraulic systemCATERPILLAR SARL·Filed 2023·Granted Jun 3, 2025·0 cites·2 claims
- 1355US2025137232A1Hydraulic Circuit for Construction MachineCATERPILLAR SARL·Filed 2023·Application pending·0 cites
- 1448US11428333B2Valve apparatus and fluid pressure system equipped therewithCATERPILLAR SARL·Filed 2017·Granted Aug 30, 2022·0 cites·6 claims
- 1547US12163539B2Valve calibration system and calibration methodCATERPILLAR SARL·Filed 2021·Granted Dec 10, 2024·0 cites·4 claims
- 1645US11885099B2Drift-prevention valve device, blade device, and working machineCATERPILLAR SARL·Filed 2019·Granted Jan 30, 2024·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →