Sanford Jensen

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Berkeley, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for filtering fraudulent email messages
- Patent number 8,271,588
- Issue date Sep 18, 2012
- Symantec Corporation
- Mark Bruno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for certifying mass emailings
- Patent number 8,135,778
- Issue date Mar 13, 2012
- Symantec Corporation
- Ren Chin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for maintaining reputation lists of IP address...
- Patent number 8,010,609
- Issue date Aug 30, 2011
- Symantec Corporation
- David Cowings
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spam email detection based on n-grams with feature selection
- Patent number 7,912,907
- Issue date Mar 22, 2011
- Symantec Corporation
- Eli Mantel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for grouping spam email messages
- Patent number 7,739,337
- Issue date Jun 15, 2010
- Symantec Corporation
- Sanford Jensen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for maintaining reputation lists of IP address...
- Publication number 20060288076
- Publication date Dec 21, 2006
- David Cowings
- H04 - ELECTRIC COMMUNICATION TECHNIQUE