Inventor · disambiguated record
Robert U. Liu
Also filed as: LIU ROBERT U · LIU ROBERT UBO
4 granted patents·11 citations·filing 2020–2024
65Inventor score
Files withAPPLE INC4
Top patents by PatentIndex Score
4 records- 0193US11526240B1Reducing sensitivity to leakage variation for passive stylusAPPLE INC·Filed 2021·Granted Dec 13, 2022·7 cites·19 claims
- 0291US11360616B1Stylus with touch input and compressive force sensorsAPPLE INC·Filed 2021·Granted Jun 14, 2022·4 cites·20 claims
- 0355US12411558B2Keyboard accessory for electronic deviceAPPLE INC·Filed 2024·Granted Sep 9, 2025·0 cites·16 claims
- 0448US11997777B2Electrostatic discharge robust design for input deviceAPPLE INC·Filed 2020·Granted May 28, 2024·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →