Inventor · disambiguated record
Anthony E. Zank
Also filed as: ZANK ANTHONY E · ZANK ANTHONY EDWARD
22 granted patents·2 pending applications·791 citations·filing 1980–2019
95Inventor score
Top patents by PatentIndex Score
24 records- 0195US6307955B1Electronic signature management systemTOPAZ SYSTEMS INC·Filed 1998·Granted Oct 23, 2001·404 cites·33 claims
- 0293US4285004ATotal raster error correction apparatus and method for the automatic set up of television cameras and the likeAMPEX·Filed 1980·Granted Aug 18, 1981·88 cites·39 claims
- 0390US7933840B2Electronic signature security systemTOPAZ SYSTEMS INC·Filed 2005·Granted Apr 26, 2011·21 cites·23 claims
- 0485US7436397B2Touchpad stylus having isolated low-mass contact elementTOPAZ SYSTEMS INC·Filed 2005·Granted Oct 14, 2008·14 cites·11 claims
- 0584US5420379AElectromagnetic position transducer having active transmitting stylusLOGITECH INC·Filed 1991·Granted May 30, 1995·93 cites·26 claims
- 0678US5122623AElectromagnetic position transducer having active transmitting stylusGAZELLE GRAPHIC SYSTEMS INC·Filed 1991·Granted Jun 16, 1992·70 cites·50 claims
- 0776USD532009SIntegrated signature pad and fingerprint readerTOPAZ SYSTEMS INC·Filed 2005·Granted Nov 14, 2006·23 cites·1 claims
- 0876US6972754B2Touchpad stylus having isolated low-mass contact elementTOPAZ SYSTEMS INC·Filed 2002·Granted Dec 6, 2005·19 cites·29 claims
- 0975US9378518B2Electronic signature security systemZANK ANTHONY E·Filed 2011·Granted Jun 28, 2016·4 cites·9 claims
- 1066US9329720B2DigitizerTOPAZ SYSTEMS INC·Filed 2015·Granted May 3, 2016·1 cites·6 claims
- 1164US7693312B2Method for authenticating an electronic signatureTOPAZ SYSTEMS INC·Filed 2005·Granted Apr 6, 2010·6 cites·13 claims
- 1262US8994686B2DigitizerZANK ANTHONY E·Filed 2012·Granted Mar 31, 2015·1 cites·11 claims
- 1358US5120908AElectromagnetic position transducerGAZELLE GRAPHIC SYSTEMS INC·Filed 1990·Granted Jun 9, 1992·27 cites·38 claims
- 1457US9323409B2DigitizerTOPAZ SYSTEMS INC·Filed 2014·Granted Apr 26, 2016·0 cites·3 claims
- 1553US7190815B2Method for authenticating an electronic signatureTOPAZ SYSTEMS INC·Filed 2004·Granted Mar 13, 2007·9 cites·10 claims
- 1651US7123143B2Wireless signature management systemTOPAZ SYSTEMS INC·Filed 2003·Granted Oct 17, 2006·4 cites·45 claims
- 1750US9262004B2Overlay for electronic writing padTOPAZ SYSTEMS INC·Filed 2014·Granted Feb 16, 2016·0 cites·11 claims
- 1850US8952926B2DigitizerZANK ANTHONY E·Filed 2012·Granted Feb 10, 2015·0 cites·12 claims
- 1950US7876930B2Fingerprint reader combinationTOPAZ SYSTEMS INC·Filed 2007·Granted Jan 25, 2011·1 cites·10 claims
- 2048US7526108B2Wireless data management systemTOPAZ SYSTEMS INC·Filed 2004·Granted Apr 28, 2009·6 cites·20 claims
- 2143US2006158434A1Electronic payment terminal with active coverZANK ANTHONY E·Filed 2005·Application pending·0 cites
- 2241US10693721B2Methods for serial port client server mappingTOPAZ SYSTEMS INC·Filed 2017·Granted Jun 23, 2020·0 cites·7 claims
- 2339US11526271B2Electronic signature capture via secure interfaceTOPAZ SYSTEMS INC·Filed 2019·Granted Dec 13, 2022·0 cites·18 claims
- 2437US2006176286A1Touch pad stylus with roller ballZANK ANTHONY E·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →