Inventor · disambiguated record
Sei Shimahara
Also filed as: SHIMAHARA SEI
7 granted patents·37 citations·filing 2007–2022
80Inventor score
Top patents by PatentIndex Score
7 records- 0191US8899035B2Hydraulic control apparatus for work machineNISHIKAWA HIROYASU·Filed 2010·Granted Dec 2, 2014·17 cites·6 claims
- 0276US9309649B2Work machineNISHIKAWA HIROYASU·Filed 2010·Granted Apr 12, 2016·8 cites·6 claims
- 0364US7958907B2Fluid pressure circuitCATERPILLAR SARL·Filed 2007·Granted Jun 14, 2011·5 cites·4 claims
- 0461US9103095B2Hydraulic circuit control device and work machineNISHIKAWA HIROYASU·Filed 2011·Granted Aug 11, 2015·3 cites·5 claims
- 0560US11781287B2Hydraulic circuit for a construction machineCATERPILLAR SARL·Filed 2022·Granted Oct 10, 2023·0 cites·11 claims
- 0656US7930970B2Control unit for work machineCATERPILLAR SARL·Filed 2007·Granted Apr 26, 2011·4 cites·5 claims
- 0738US7926411B2Valve control unitCATERPILLAR SARL·Filed 2007·Granted Apr 19, 2011·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →