Inventor · disambiguated record
Alan K. Sefton
Also filed as: SEFTON ALAN K
5 granted patents·1 pending application·649 citations·filing 1989–2008
86Inventor score
Top patents by PatentIndex Score
6 records- 0195US7466223B2Automated site security, monitoring and access control systemPIPS TECHNOLOGY INC·Filed 2006·Granted Dec 16, 2008·246 cites·25 claims
- 0294US7119674B2Automated site security, monitoring and access control systemPIPS TECHNOLOGY INC·Filed 2004·Granted Oct 10, 2006·311 cites·23 claims
- 0387US8218822B2Apparatus and method for recognizing the state of origin of a vehicle license plateSEFTON ALAN K·Filed 2008·Granted Jul 10, 2012·44 cites·18 claims
- 0476US5049988AScanning T.V. cameraPEARPOINT LTD·Filed 1989·Granted Sep 17, 1991·40 cites·9 claims
- 0566US8218821B2Video preprocessing of image information for character recognitionSEFTON ALAN K·Filed 2007·Granted Jul 10, 2012·8 cites·14 claims
- 0634US2003133594A1Apparatus for method of recording a location of an object having an externally viewable identifierFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →