Xiangfei Qian

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Palo Alto, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Substantially real-time correction of perspective distortion
- Patent number 11,538,184
- Issue date Dec 27, 2022
- Hewlett-Packard Development Company, L.P.
- David Bradley Short
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Projection calibrations
- Patent number 11,393,366
- Issue date Jul 19, 2022
- Hewlett-Packard Development Company, L.P.
- Xiangfei Qian
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Keystone corrections with quadrilateral objects
- Patent number 11,176,644
- Issue date Nov 16, 2021
- Hewlett-Packard Development Company, L.P.
- Xiangfei Qian
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
SUBSTANTIALLY REAL-TIME CORRECTION OF PERSPECTIVE DISTORTION
- Publication number 20210192770
- Publication date Jun 24, 2021
- Hewlett-Packard Development Company, L.P.
- David Bradley Short
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
KEYSTONE CORRECTIONS WITH QUADRILATERAL OBJECTS
- Publication number 20210174478
- Publication date Jun 10, 2021
- Hewlett-Packard Development Company, L.P.
- Xiangfei QIAN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PROJECTION CALIBRATIONS
- Publication number 20200126462
- Publication date Apr 23, 2020
- Hewlett-Packard Development Company, L.P.
- Xiangfei Qian
- G06 - COMPUTING CALCULATING COUNTING