Assignee
SPECTRA SYSTEMS CORP
US·39 granted patents·24 pending applications·653 citations·filing 1999–2024
Top patents by PatentIndex Score
63 records- 0197US7529385B2Marking articles using a covert digitally watermarked imageSPECTRA SYSTEMS CORP·Filed 2007·Granted May 5, 2009·28 cites·9 claims
- 0295US6948068B2Method and apparatus for reading digital watermarks with a hand-held reader deviceSPECTRA SYSTEMS CORP·Filed 2001·Granted Sep 20, 2005·92 cites·27 claims
- 0394US11007288B1Heat treatment of banknotes in an oxygen-free environmentSPECTRA SYSTEMS CORP·Filed 2021·Granted May 18, 2021·2 cites·10 claims
- 0494US7184569B2Marking articles using a covert digitally watermarked imageSPECTRA SYSTEMS CORP·Filed 2002·Granted Feb 27, 2007·37 cites·24 claims
- 0593US6874639B2Methods and apparatus employing multi-spectral imaging for the remote identification and sorting of objectsSPECTRA SYSTEMS CORP·Filed 2002·Granted Apr 5, 2005·98 cites·36 claims
- 0693US6795464B2Temperature control of laser action in scattering mediaSPECTRA SYSTEMS CORP·Filed 2002·Granted Sep 21, 2004·45 cites·28 claims
- 0793US6441380B1Coding and authentication by phase measurement modulation response and spectral emissionSPECTRA SYSTEMS CORP·Filed 2000·Granted Aug 27, 2002·60 cites·23 claims
- 0891US10140494B1Photoluminescent authentication devices, systems, and methodsSPECTRA SYSTEMS CORP·Filed 2018·Granted Nov 27, 2018·9 cites·30 claims
- 0989US11501593B2Machine-readable polymer security threadsSPECTRA SYSTEMS CORP·Filed 2020·Granted Nov 15, 2022·2 cites·20 claims
- 1088US7220535B2Marking and authenticating articlesSPECTRA SYSTEMS CORP·Filed 2002·Granted May 22, 2007·24 cites·30 claims
- 1187US9676009B2Supercritical fluid cleaning of banknotes and secure documentsSPECTRA SYSTEMS CORP·Filed 2015·Granted Jun 13, 2017·3 cites·20 claims
- 1287US6489892B2Use of evaporatively activated color change for verifying the integrity of an object, such as a data storage medium or a gaming tokenSPECTRA SYSTEMS CORP·Filed 2001·Granted Dec 3, 2002·46 cites·44 claims
- 1386US6908505B2Thermochromic compositions of color formers and lewis acidsSPECTRA SYSTEMS CORP·Filed 2003·Granted Jun 21, 2005·15 cites·38 claims
- 1485US9610619B2Supercritical fluid cleaning of banknotes and secure documentsSPECTRA SYSTEMS CORP·Filed 2015·Granted Apr 4, 2017·3 cites·23 claims
- 1584US7963450B2Near infrared ink security featureSPECTRA SYSTEMS CORP·Filed 2008·Granted Jun 21, 2011·18 cites·16 claims
- 1684US6552290B1Optically-based methods and apparatus for performing sorting coding and authentication using a gain medium that provides a narrowband emissionSPECTRA SYSTEMS CORP·Filed 1999·Granted Apr 22, 2003·77 cites·23 claims
- 1781US8961702B2Supercritical fluid cleaning of banknotes and secure documentsSPECTRA SYSTEMS CORP·Filed 2013·Granted Feb 24, 2015·4 cites·38 claims
- 1881US6488155B2Methods and apparatus employing multi-spectral imaging for the remote identification and sorting of objectsSPECTRA SYSTEMS CORP·Filed 2000·Granted Dec 3, 2002·35 cites·16 claims
- 1980US7149231B2Monolithic, side-pumped, passively Q-switched solid-state laserSPECTRA SYSTEMS CORP·Filed 2003·Granted Dec 12, 2006·15 cites·29 claims
- 2077US10082454B2Device and method for gasochromic porosity sensingSPECTRA SYSTEMS CORP·Filed 2013·Granted Sep 25, 2018·2 cites·58 claims
- 2177US7393623B2Incorporation of markings in optical mediaSPECTRA SYSTEMS CORP·Filed 2003·Granted Jul 1, 2008·15 cites·48 claims
- 2273US11263856B2Coded polymer substrates for banknote authenticationSPECTRA SYSTEMS CORP·Filed 2019·Granted Mar 1, 2022·0 cites·24 claims
- 2372US11957800B2Heat treatment of banknotes in an oxygen-free environmentSPECTRA SYSTEMS CORP·Filed 2021·Granted Apr 16, 2024·0 cites·18 claims
- 2471US6881915B2Contrast enhancing marking system for application of unobtrusive identification and other markingsSPECTRA SYSTEMS CORP·Filed 2002·Granted Apr 19, 2005·6 cites·10 claims
- 2571US2022366752A1Coded polymer substrates for banknote authenticationSPECTRA SYSTEMS CORP·Filed 2022·Application pending·0 cites
- 2670US9475334B2Gasochromic fibers and inclusions for security articlesSPECTRA SYSTEMS CORP·Filed 2015·Granted Oct 25, 2016·1 cites·14 claims
- 2768US10796120B2Photoluminescent authentication devices, systems, and methodsSPECTRA SYSTEMS CORP·Filed 2018·Granted Oct 6, 2020·1 cites·20 claims
- 2868US8932409B2Supercritical fluid cleaning of banknotes and secure documentsSPECTRA SYSTEMS CORP·Filed 2014·Granted Jan 13, 2015·1 cites·19 claims
- 2964US10839634B2Taggant systemSPECTRA SYSTEMS CORP·Filed 2018·Granted Nov 17, 2020·0 cites·27 claims
- 3063US2023191824A1Porous polymer security featureSPECTRA SYSTEMS CORP·Filed 2022·Application pending·0 cites
- 3163US2026004311A1Phosphorescent authentication devices, systems, and methodsSPECTRA SYSTEMS CORP·Filed 2024·Application pending·0 cites
- 3261US2025346057A1Plant-based polymers for use in substrates for banknotes and secure instrumentsSPECTRA SYSTEMS CORP·Filed 2024·Application pending·0 cites
- 3360US6744525B2Optically-based system for processing banknotes based on security feature emissionsSPECTRA SYSTEMS CORP·Filed 2002·Granted Jun 1, 2004·5 cites·25 claims
- 3460US6384920B1Self-targeting reader system for remote identificationSPECTRA SYSTEMS CORP·Filed 2000·Granted May 7, 2002·9 cites·6 claims
- 3560US2025256527A1Recycled materials for use in substrates for secure instrumentsSPECTRA SYSTEMS CORP·Filed 2024·Application pending·0 cites
- 3659US12227022B2Patterned conductive layer for secure instrumentsSPECTRA SYSTEMS CORP·Filed 2021·Granted Feb 18, 2025·0 cites·15 claims
- 3756US10354471B2Device and method for using gasochromic sensing for evaluating fitnessSPECTRA SYSTEMS CORP·Filed 2016·Granted Jul 16, 2019·0 cites·17 claims
- 3853US9970854B2Nondegenerate two-wave mixing for identifying and separating macromoleculesSPECTRA SYSTEMS CORP·Filed 2016·Granted May 15, 2018·0 cites·23 claims
- 3953US9789069B2Authenticatable coatings for pharmaceutical tablets and ingestible materialsSPECTRA SYSTEMS CORP·Filed 2012·Granted Oct 17, 2017·0 cites·8 claims
- 4052US10139342B2Photoluminescent authentication devices, systems, and methodsSPECTRA SYSTEMS CORP·Filed 2017·Granted Nov 27, 2018·0 cites·17 claims
- 4152US9892290B2Systems and methods of using magnetization to authenticate productsSPECTRA SYSTEMS CORP·Filed 2014·Granted Feb 13, 2018·0 cites·29 claims
- 4252US2022184991A1Porous polymer substrates and coatings for banknotes and other security articlesSPECTRA SYSTEMS CORP·Filed 2021·Application pending·0 cites
- 4351US11747268B2Coded polymer substrates for banknote authenticationSPECTRA SYSTEMS CORP·Filed 2018·Granted Sep 5, 2023·0 cites·20 claims
- 4450US9777437B2Systems and methods for reversing banknote limpnessSPECTRA SYSTEMS CORP·Filed 2014·Granted Oct 3, 2017·0 cites·20 claims
- 4550US2010310900A1Ultraviolet-dull response in security taggantsSPECTRA SYSTEMS CORP·Filed 2010·Application pending·0 cites
- 4648US2007071059A1Monolithic, side-pumped, passively Q-switched solid-state laserSPECTRA SYSTEMS CORP·Filed 2006·Application pending·0 cites
- 4747US2019291148A1Supercritical fluid cleaning of banknotes and secure documents utilizing ozoneSPECTRA SYSTEMS CORP·Filed 2018·Application pending·0 cites
- 4847US2009039644A1Systems and methods for using microscopic capsules containing orientable materials for document security and processing applicationsSPECTRA SYSTEMS CORP·Filed 2008·Application pending·0 cites
- 4945US2006064594A1Absorptive coating on a disc to create a reflective modulation for encryptionSPECTRA SYSTEMS CORP·Filed 2005·Application pending·0 cites
- 5045US2010006656A1Magnetically Addressable Bistable FilmSPECTRA SYSTEMS CORP·Filed 2009·Application pending·0 cites
Showing the top 50 of 63 patent records by PatentIndex Score.
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