Inventor · disambiguated record
Leon A. Pintsov
Also filed as: PINTSOV LEON · PINTSOV LEON A
101 granted patents·22 pending applications·5,471 citations·filing 1983–2014
99Inventor score
Top patents by PatentIndex Score
123 records- 0199US5586036APostage payment system with security for sensitive mailer data and enhanced carrier data functionalityPITNEY BOWES INC·Filed 1994·Granted Dec 17, 1996·375 cites·21 claims
- 0299US5454038AElectronic data interchange postage evidencing systemPITNEY BOWES INC·Filed 1993·Granted Sep 26, 1995·254 cites·23 claims
- 0398US4800505AMail preparation systemPITNEY BOWES INC·Filed 1987·Granted Jan 24, 1989·234 cites·19 claims
- 0497US5796841ASecure user certification for electronic commerce employing value metering systemPITNEY BOWES INC·Filed 1995·Granted Aug 18, 1998·228 cites·34 claims
- 0596US5448641APostal rating system with verifiable integrityPITNEY BOWES INC·Filed 1993·Granted Sep 5, 1995·202 cites·55 claims
- 0693US7926730B2Combined multi-spectral document markingsPITNEY BOWES INC·Filed 2005·Granted Apr 19, 2011·34 cites·3 claims
- 0793US6801833B2Method for maintaining the integrity of a mailing using radio frequency identification tagsPITNEY BOWES INC·Filed 2002·Granted Oct 5, 2004·80 cites·16 claims
- 0893US5812666ACryptographic key management and validation systemPITNEY BOWES INC·Filed 1995·Granted Sep 22, 1998·194 cites·35 claims
- 0993US5781634AElectronic data interchange postage evidencing systemPITNEY BOWES INC·Filed 1996·Granted Jul 14, 1998·123 cites·11 claims
- 1093US5655023AAdvanced postage payment system employing pre-computed digital tokens and with enhanced securityPITNEY BOWES INC·Filed 1994·Granted Aug 5, 1997·140 cites·27 claims
- 1192US7266531B2Mail processing system with unique mailpiece authorization assigned in advance of mailpieces entering carrier service mail processing streamPITNEY BOWES INC·Filed 2002·Granted Sep 4, 2007·54 cites·26 claims
- 1292US5953427AElectronic data interchange postage evidencing systemPITNEY BOWES INC·Filed 1997·Granted Sep 14, 1999·101 cites·9 claims
- 1392US5923406APersonal postage stamp vending machinePITNEY BOWES INC·Filed 1997·Granted Jul 13, 1999·212 cites·6 claims
- 1490US7877610B2Hybrid signature schemeCERTICOM CORP·Filed 2007·Granted Jan 25, 2011·15 cites·25 claims
- 1590US5768132AControlled acceptance mail system securely enabling reuse of digital token initially generated for a mailpiece on a subsequently prepared different mailpiece to authenticate payment of postagePITNEY BOWES INC·Filed 1996·Granted Jun 16, 1998·111 cites·20 claims
- 1690US5308932AMail processing system for verifying postage amountPITNEY BOWES INC·Filed 1992·Granted May 3, 1994·81 cites·26 claims
- 1788US6911910B2Method for detecting and redirecting misdirected mailPITNEY BOWES INC·Filed 2002·Granted Jun 28, 2005·38 cites·15 claims
- 1888US6058193ASystem and method of verifying cryptographic postage evidencing using a fixed key setPITNEY BOWES INC·Filed 1999·Granted May 2, 2000·83 cites·11 claims
- 1988US4628532AAlphanumeric handprint recognitionSCAN OPTICS INC·Filed 1983·Granted Dec 9, 1986·117 cites·13 claims
- 2087US6959292B1Method and system for providing value-added servicesPITNEY BOWES INC·Filed 2000·Granted Oct 25, 2005·31 cites·21 claims
- 2187US6463354B1System and method for automatic notification of upcoming delivery of mail itemPITNEY BOWES INC·Filed 1999·Granted Oct 8, 2002·92 cites·4 claims
- 2286US7058610B1System and method for communicating a message in a mailing systemPITNEY BOWES INC·Filed 2000·Granted Jun 6, 2006·26 cites·9 claims
- 2386US6175827B1Robus digital token generation and verification system accommodating token verification where addressee information cannot be recreated automated mail processingPITNEY BOWES INC·Filed 1998·Granted Jan 16, 2001·83 cites·19 claims
- 2486US5612889AMail processing system with unique mailpiece authorization assigned in advance of mailpieces entering carrier service mail processing streamPITNEY BOWES INC·Filed 1994·Granted Mar 18, 1997·256 cites·14 claims
- 2585US6832130B2Method and system for automated document processingPITNEY BOWES INC·Filed 2004·Granted Dec 14, 2004·28 cites·22 claims
- 2685US6532452B1System and method for employing digital postage marks as part of value-added services in a mailing systemPITNEY BOWES INC·Filed 1999·Granted Mar 11, 2003·80 cites·3 claims
- 2784US7702593B2System and method for printing correct postage for batches of mail with presort discountsPITNEY BOWES INC·Filed 2007·Granted Apr 20, 2010·6 cites·15 claims
- 2884US7433849B2System and method for controlling a postage metering system using data required for printingPITNEY BOWES INC·Filed 2003·Granted Oct 7, 2008·20 cites·10 claims
- 2984US6898581B1Secure user certification for electronic commerce employing value metering systemPITNEY BOWES INC·Filed 2000·Granted May 24, 2005·16 cites·4 claims
- 3084US4829443AInsertion machine with computerized postage search and prioritized selection of insertsPITNEY BOWES INC·Filed 1987·Granted May 9, 1989·57 cites·27 claims
- 3183US7428996B2Method and system for encoding information into a bar code with different module sizePITNEY BOWES INC·Filed 2005·Granted Sep 30, 2008·12 cites·18 claims
- 3283US6151590ANetwork open metering systemPITNEY BOWES INC·Filed 1995·Granted Nov 21, 2000·69 cites·15 claims
- 3383US6125357ADigital postal indicia employing machine and human verificationPITNEY BOWES INC·Filed 1997·Granted Sep 26, 2000·74 cites·13 claims
- 3483US6009416ASystem and method for detection of errors in accounting for postal charges in controlled acceptance environmentPITNEY BOWES INC·Filed 1998·Granted Dec 28, 1999·75 cites·8 claims
- 3583US5661803AMethod of token verification in a key management systemPITNEY BOWES INC·Filed 1995·Granted Aug 26, 1997·86 cites·14 claims
- 3682US8700894B2Method and system for securing routing information of a communication using identity-based encryption schemeHAMMELL BRADLEY R·Filed 2007·Granted Apr 15, 2014·14 cites·7 claims
- 3782US8291239B2Method and system for authenticating senders and recipients in a carrier system and providing receipt of specified content by a recipientPINTSOV LEON A·Filed 2009·Granted Oct 16, 2012·5 cites·14 claims
- 3882US6954742B2Closed loop postage metering systemPITNEY BOWES INC·Filed 2003·Granted Oct 11, 2005·18 cites·7 claims
- 3981US6385504B1Mail processing system with unique mailpiece authorization assigned in advance of mailpieces entering carrier service mail processing streamPITNEY BOWES INC·Filed 1999·Granted May 7, 2002·189 cites·26 claims
- 4081US6157919APC-based open metering system and methodPITNEY BOWES INC·Filed 1995·Granted Dec 5, 2000·64 cites·23 claims
- 4181US4817042AInsertion machine with prioritized selection of insertsPITNEY BOWES INC·Filed 1988·Granted Mar 28, 1989·41 cites·10 claims
- 4280US8676715B2System and method for authenticating indicia using identity-based signature schemeCORDERY ROBERT A·Filed 2007·Granted Mar 18, 2014·4 cites·12 claims
- 4380US5826247AClosed loop transaction based mail accounting and payment system with carrier payment through a third party initiated by mailing information releasePITNEY BOWES INC·Filed 1996·Granted Oct 20, 1998·73 cites·15 claims
- 4479US6775590B2Method and system for automated document processingPITNEY BOWES INC·Filed 2002·Granted Aug 10, 2004·14 cites·35 claims
- 4579US6526391B1System and method for controlling a postage metering system using data required for printingPITNEY BOWES INC·Filed 1998·Granted Feb 25, 2003·54 cites·8 claims
- 4679US5982896ASystem and method of verifying cryptographic postage evidencing using a fixed key setPITNEY BOWES INC·Filed 1996·Granted Nov 9, 1999·55 cites·5 claims
- 4778US7991705B2Mail processing system for determining mail entity defects and correcting mail entity defectsPITNEY BOWES INC·Filed 2005·Granted Aug 2, 2011·5 cites·21 claims
- 4878US6922678B2Virtual postage meter with multiple origins of depositPITNEY BOWES INC·Filed 2003·Granted Jul 26, 2005·12 cites·14 claims
- 4977US7434726B2Method and system for postdating of financial transactionsPITNEY BOWES INC·Filed 2006·Granted Oct 14, 2008·5 cites·9 claims
- 5077US5367450ASystem and method for selecting optional inserts with optimal value in an inserting machinePITNEY BOWES INC·Filed 1992·Granted Nov 22, 1994·36 cites·5 claims
Showing the top 50 of 123 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →