Vishwanth Tumkur Ramarao

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Sunnyvale, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Filter for blocking image-based spam
- Patent number 8,055,078
- Issue date Nov 8, 2011
- Yahoo! Inc.
- Jaesik Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Learning framework for online applications
- Patent number 7,996,897
- Issue date Aug 9, 2011
- Yahoo! Inc.
- Vishwanth Tumkur Ramarao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Identifying IP addresses for spammers
- Patent number 7,849,146
- Issue date Dec 7, 2010
- Yahoo! Inc.
- Jaesik Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
IDENTIFYING IP ADDRESSES FOR SPAMMERS
- Publication number 20090216841
- Publication date Aug 27, 2009
- Yahoo! Inc.
- Jaesik Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Learning framework for online applications
- Publication number 20090187987
- Publication date Jul 23, 2009
- Yahoo! Inc.
- Vishwanth Tumkur Ramarao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE