Inventor · disambiguated record
Xiangfei Qian
Also filed as: QIAN XIANGFEI
3 granted patents·2 citations·filing 2017–2018
49Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO3
Top patents by PatentIndex Score
3 records- 0164US11176644B2Keystone corrections with quadrilateral objectsHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Nov 16, 2021·2 cites·12 claims
- 0249US11538184B2Substantially real-time correction of perspective distortionHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Dec 27, 2022·0 cites·14 claims
- 0332US11393366B2Projection calibrationsHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Jul 19, 2022·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →