Inventor · disambiguated record
Sanford Jensen
Also filed as: JENSEN SANFORD
5 granted patents·147 citations·filing 2004–2005
83Inventor score
Top patents by PatentIndex Score
5 records- 0191US7739337B1Method and apparatus for grouping spam email messagesSYMANTEC CORP·Filed 2005·Granted Jun 15, 2010·42 cites·18 claims
- 0290US7912907B1Spam email detection based on n-grams with feature selectionSYMANTEC CORP·Filed 2005·Granted Mar 22, 2011·44 cites·19 claims
- 0381US8271588B1System and method for filtering fraudulent email messagesBRUNO MARK·Filed 2004·Granted Sep 18, 2012·43 cites·16 claims
- 0476US8010609B2Method and apparatus for maintaining reputation lists of IP addresses to detect email spamSYMANTEC CORP·Filed 2005·Granted Aug 30, 2011·9 cites·13 claims
- 0570US8135778B1Method and apparatus for certifying mass emailingsCHIN REN·Filed 2005·Granted Mar 13, 2012·9 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Sanford Jensen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →