Chi-Chao Chang

Person

Palo Alto, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for dynamic geo-fencing
- Patent number 12,075,314
- Issue date Aug 27, 2024
- xAd, Inc.
- Chi-Chao Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for dynamic geo-fencing
- Patent number 11,570,583
- Issue date Jan 31, 2023
- xAd, Inc.
- Chi-Chao Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for dynamic geo-fencing
- Patent number 11,044,579
- Issue date Jun 22, 2021
- xAd, Inc.
- Chi-Chao Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for estimating mobile device locations
- Patent number 10,089,653
- Issue date Oct 2, 2018
- Prakash Muttineni
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for estimating mobile device locations
- Patent number 9,886,703
- Issue date Feb 6, 2018
- xAd, Inc.
- Prakash Muttineni
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for geographic document retrieval
- Patent number 9,210,540
- Issue date Dec 8, 2015
- xAd, Inc.
- Chi-Chao Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for probabilistic user location
- Patent number 9,049,549
- Issue date Jun 2, 2015
- xAd, Inc.
- Chi-Chao Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and Apparatus for Dynamic Geo-Fencing
- Publication number 20230262419
- Publication date Aug 17, 2023
- xAd, Inc. (dba GroundTruth)
- Chi-Chao Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Apparatus for Dynamic Geo-Fencing
- Publication number 20210314737
- Publication date Oct 7, 2021
- xAd, Inc. (dba GroundTruth)
- Chi-Chao Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Apparatus for Dynamic Geo-Fencing
- Publication number 20180199152
- Publication date Jul 12, 2018
- xAd, Inc.
- Chi-Chao Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and Method for Estimating Mobile Device Locations
- Publication number 20180158108
- Publication date Jun 7, 2018
- xAd, Inc.
- Prakash Muttineni
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and Method for Estimating Mobile Device Locations
- Publication number 20160019592
- Publication date Jan 21, 2016
- xAd, Inc.
- Prakash Muttineni
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Apparatus for Dynamic Fencing
- Publication number 20140129293
- Publication date May 8, 2014
- xAd, Inc.
- Chi-Chao Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Apparatus for Probabilistic User Location
- Publication number 20140128104
- Publication date May 8, 2014
- xAd, Inc.
- Chi-Chao Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Apparatus for Geographic Document Retrieval
- Publication number 20140129566
- Publication date May 8, 2014
- xAd, Inc.
- Chi-Chao Chang
- G06 - COMPUTING CALCULATING COUNTING

Chi-Chao Chang

Person

Patents Grantslast 30 patents

Method and apparatus for dynamic geo-fencing

Method and apparatus for dynamic geo-fencing

Method and apparatus for dynamic geo-fencing

System and method for estimating mobile device locations

System and method for estimating mobile device locations

Method and apparatus for geographic document retrieval

Method and apparatus for probabilistic user location

Patents Applicationslast 30 patents

Method and Apparatus for Dynamic Geo-Fencing

Method and Apparatus for Dynamic Geo-Fencing

Method and Apparatus for Dynamic Geo-Fencing

System and Method for Estimating Mobile Device Locations

System and Method for Estimating Mobile Device Locations

Method and Apparatus for Dynamic Fencing

Method and Apparatus for Probabilistic User Location

Method and Apparatus for Geographic Document Retrieval