Inventor · disambiguated record
Philip Sydney Langton
Also filed as: LANGTON PHILIP SYDNEY
4 granted patents·23 citations·filing 2000–2011
73Inventor score
Top patents by PatentIndex Score
4 records- 0174US7986158B2Methods, apparatuses, and products for a secure circuitOFID MICRODEVICES INC·Filed 2009·Granted Jul 26, 2011·10 cites·9 claims
- 0272US8116457B2Methods, apparatuses, and products for a secure circuitLANGTON PHILIP SYDNEY·Filed 2011·Granted Feb 14, 2012·4 cites·4 claims
- 0349US6553481B1System and method for smart card with memorySWAPCARD COM INC·Filed 2000·Granted Apr 22, 2003·5 cites·18 claims
- 0448US6772239B2Computer product and method for smart cardSWAPCARD COM INC·Filed 2001·Granted Aug 3, 2004·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →