Jonathan R. Zhang

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San Francisco, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for determining location of mobile device
- Patent number 11,304,032
- Issue date Apr 12, 2022
- Groupon, Inc.
- Geoffrey H. Woo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for determining location of mobile device
- Patent number 10,531,235
- Issue date Jan 7, 2020
- Groupon, Inc.
- Geoffrey H. Woo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for determining location of mobile device
- Patent number 10,034,139
- Issue date Jul 24, 2018
- Groupon, Inc.
- Geoffrey Hubert Woo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for determining location of mobile device
- Patent number 9,628,957
- Issue date Apr 18, 2017
- Groupon, Inc.
- Geoffrey Hubert Woo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for determining location of mobile device
- Patent number 9,226,110
- Issue date Dec 29, 2015
- Groupon, Inc.
- Geoffrey H. Woo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR DETERMINING LOCATION OF MOBILE DEVICE
- Publication number 20220272486
- Publication date Aug 25, 2022
- Groupon, Inc.
- Geoffrey H. Woo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR DETERMINING LOCATION OF MOBILE DEVICE
- Publication number 20200252750
- Publication date Aug 6, 2020
- Groupon, Inc.
- Geoffrey H. Woo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR DETERMINING LOCATION OF MOBILE DEVICE
- Publication number 20190028845
- Publication date Jan 24, 2019
- Groupon, Inc.
- Geoffrey H. Woo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR DETERMINING LOCATION OF MOBILE DEVICE
- Publication number 20170180941
- Publication date Jun 22, 2017
- Groupon, Inc.
- Geoffrey Hubert Woo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR DETERMINING LOCATION OF MOBILE DEVICE
- Publication number 20130260789
- Publication date Oct 3, 2013
- Groupon, Inc.
- Geoffrey H. Woo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE