Sen Xu

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San Francisco, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dynamic geohash-based geofencing
- Patent number 9,788,161
- Issue date Oct 10, 2017
- Twitter, Inc.
- Sen Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Density-based dynamic geohash
- Patent number 9,710,485
- Issue date Jul 18, 2017
- Twitter, Inc.
- Sen Xu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dynamic geohash-based geofencing
- Patent number 9,426,620
- Issue date Aug 23, 2016
- Twitter, Inc.
- Sen Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DENSITY-BASED DYNAMIC GEOHASH
- Publication number 20230041991
- Publication date Feb 9, 2023
- TWITTER, INC.
- Sen Xu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DENSITY-BASED DYNAMIC GEOHASH
- Publication number 20200342064
- Publication date Oct 29, 2020
- TWITTER, INC.
- Sen Xu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DENSITY-BASED DYNAMIC GEOHASH
- Publication number 20150261786
- Publication date Sep 17, 2015
- Sen Xu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DYNAMIC GEOHASH-BASED GEOFENCING
- Publication number 20150264523
- Publication date Sep 17, 2015
- Sen Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE