Inventor · disambiguated record
Yongdong Liu
Also filed as: LIU YONGDONG
4 granted patents·2 pending applications·30 citations·filing 2007–2011
72Inventor score
Top patents by PatentIndex Score
6 records- 0189US8525993B2Scatterometry measurement of asymmetric structuresRABELLO SILVIO J·Filed 2010·Granted Sep 3, 2013·16 cites·52 claims
- 0276US7450225B1Correction of optical metrology for focus offsetNANOMETRICS INC·Filed 2007·Granted Nov 11, 2008·11 cites·33 claims
- 0365US9863407B2Hydraulic oil cylinder, hydraulic cushion system, excavator and concrete pump truckYI XIAOGANG·Filed 2011·Granted Jan 9, 2018·2 cites·12 claims
- 0454US9394927B2Hydraulic oil cylinder and related equipments, hydraulic buffer system, excavator and concrete pump truckYI XIAOGANG·Filed 2011·Granted Jul 19, 2016·1 cites·14 claims
- 0534US2012224983A1Multi-way valve, hydraulic device and concrete pump vehicleYI XIAOGANG·Filed 2010·Application pending·0 cites
- 0634US2013209296A1Hydraulic Oil Cylinder, Correlative Device Thereof, Hydraulic Cushion System, Excavator And Concrete Pump TruckYI XIAOGANG·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →