Inventor · disambiguated record
Charles Douglas Macpherson
Also filed as: MACPHERSON CHARLES · MACPHERSON CHARLES D · MACPHERSON CHARLES DOUGLAS
34 granted patents·16 pending applications·234 citations·filing 1999–2023
96Inventor score
Files withDU PONT10BANK OF CANADA8MACPHERSON CHARLES D7MACPHERSON CHARLES DOUGLAS7DUPONT DISPLAYS INC3
Top patents by PatentIndex Score
50 records- 0196US7390438B2Water dispersible substituted polydioxythiophenes made with fluorinated polymeric sulfonic acid colloidsDU PONT·Filed 2004·Granted Jun 24, 2008·59 cites·11 claims
- 0294US7250461B2Organic formulations of conductive polymers made with polymeric acid colloids for electronics applications, and methods for making such formulationsDUPONT DISPLAYS INC·Filed 2004·Granted Jul 31, 2007·50 cites·22 claims
- 0391US10921579B2Dynamic security deviceNAT RES COUNCIL CANADA·Filed 2015·Granted Feb 16, 2021·4 cites·18 claims
- 0488US9307777B2Brewed beverages and methods for producing sameMACPHERSON CHARLES D·Filed 2011·Granted Apr 12, 2016·2 cites·19 claims
- 0588US9082054B2Authentication device for security documentsBANK OF CANADA·Filed 2012·Granted Jul 14, 2015·8 cites·14 claims
- 0687US10551610B2Alignment and rotation of Janus microparticles in response to accelerationNAT RES COUNCIL CANADA·Filed 2015·Granted Feb 4, 2020·4 cites·23 claims
- 0787US8894098B2Security deviceMACPHERSON CHARLES DOUGLAS·Filed 2010·Granted Nov 25, 2014·26 cites·10 claims
- 0885US7187123B2Display deviceDUPONT DISPLAYS INC·Filed 2005·Granted Mar 6, 2007·10 cites·19 claims
- 0977US9834029B2Security display devices, their production and useBANK OF CANADA·Filed 2012·Granted Dec 5, 2017·3 cites·22 claims
- 1077US9170417B2Security deviceMACPHERSON CHARLES DOUGLAS·Filed 2009·Granted Oct 27, 2015·4 cites·106 claims
- 1176US2024262124A1Diffractive Structures Within Polymer Substrates, Their Manufacture and UseBANK OF CANADA·Filed 2023·Application pending·0 cites
- 1273US11675183B2Dynamic security deviceNAT RES COUNCIL CANADA·Filed 2020·Granted Jun 13, 2023·0 cites·22 claims
- 1372US10568348B2Brewed beverages and methods for producing sameMACPHERSON CHARLES D·Filed 2016·Granted Feb 25, 2020·0 cites·14 claims
- 1472US7923276B2Processes for forming electronic devices including spaced-apart radiation regionsDU PONT·Filed 2010·Granted Apr 12, 2011·2 cites·11 claims
- 1572US6992326B1Electronic device and process for forming sameDUPONT DISPLAYS INC·Filed 2004·Granted Jan 31, 2006·24 cites·22 claims
- 1671US11882857B2Brewed beverages and methods for producing sameMACPHERSON CHARLES D·Filed 2020·Granted Jan 30, 2024·0 cites·20 claims
- 1770US7420205B2Electronic device including a guest material within a layer and a process for forming the sameDU PONT·Filed 2007·Granted Sep 2, 2008·2 cites·4 claims
- 1869US11285753B2Security display devices, their production and useBANK OF CANADA·Filed 2020·Granted Mar 29, 2022·0 cites·15 claims
- 1968US7732810B2Methods for forming an undercut region and electronic devices incorporating the sameDU PONT·Filed 2007·Granted Jun 8, 2010·2 cites·8 claims
- 2067US10036125B2Security deviceNANOTECH SECURITY CORP·Filed 2015·Granted Jul 31, 2018·1 cites·10 claims
- 2166US9738105B2Optically variable devices, their production and useMACPHERSON CHARLES DOUGLAS·Filed 2011·Granted Aug 22, 2017·2 cites·26 claims
- 2260US11884091B2Diffractive structures within polymer substrates, their manufacture and useBANK OF CANADA·Filed 2020·Granted Jan 30, 2024·0 cites·26 claims
- 2360US8641926B2Water dispersible polythiophenes made with polymeric acid colloidsHSU CHE HSIUNG·Filed 2008·Granted Feb 4, 2014·2 cites·22 claims
- 2459US7276453B2Methods for forming an undercut region and electronic devices incorporating the sameDU PONT·Filed 2004·Granted Oct 2, 2007·6 cites·14 claims
- 2556US10780727B2Security display devices, their production and useBANK OF CANADA·Filed 2017·Granted Sep 22, 2020·0 cites·5 claims
- 2653US7795653B2Electronic device including space-apart radiation regions and a process for forming the sameDU PONT·Filed 2006·Granted Sep 14, 2010·0 cites·12 claims
- 2753US7268006B2Electronic device including a guest material within a layer and a process for forming the sameDU PONT·Filed 2004·Granted Sep 11, 2007·2 cites·15 claims
- 2851US12510695B2Optical devices comprising microlenses and laser-fabricated patterns or structures, their manufacture and useBANK OF CANADA·Filed 2021·Granted Dec 30, 2025·0 cites·22 claims
- 2951US9323042B2Optically variable devices, their production and useMACPHERSON CHARLES DOUGLAS·Filed 2011·Granted Apr 26, 2016·0 cites·35 claims
- 3051US6697554B2Adaptive optical waveguidesNORTEL NETWORKS LTD·Filed 2002·Granted Feb 24, 2004·3 cites·23 claims
- 3150US6438295B1Adaptive optical waveguide routerNORTEL NETWORKS LTD·Filed 1999·Granted Aug 20, 2002·15 cites·26 claims
- 3250US2008282921A1Electronic devices and processes for forming the sameMACPHERSON CHARLES DOUGLAS·Filed 2008·Application pending·0 cites
- 3350US2008173200A1Electronic devices and processes for forming the sameMACPHERSON CHARLES DOUGLAS·Filed 2008·Application pending·0 cites
- 3449US11737596B2Coffee-based beverage preparation system and methods for using the sameMACPHERSON CHARLES D·Filed 2017·Granted Aug 29, 2023·0 cites·20 claims
- 3549US7469638B2Electronic devices and processes for forming the sameDU PONT·Filed 2004·Granted Dec 30, 2008·2 cites·29 claims
- 3649US2011222222A1Electronic devices and processes for forming the sameDU PONT·Filed 2011·Application pending·0 cites
- 3749US2007075626A1Electronic devices and processes for forming electronic devicesYU GANG·Filed 2006·Application pending·0 cites
- 3847US2025147300A1Dynamic Micro-Optic Security Devices, Their Production and UseBANK OF CANADA·Filed 2022·Application pending·0 cites
- 3946US8691667B1Method and apparatus for depositing a pattern on a substrateMACPHERSON CHARLES DOUGLAS·Filed 2005·Granted Apr 8, 2014·0 cites·18 claims
- 4046US7584701B2Processes for printing layers for electronic devices and printing apparatuses for performing the processesDU PONT·Filed 2004·Granted Sep 8, 2009·1 cites·17 claims
- 4146US2007286953A1Solution processible materials and their use in electronic devicesMACPHERSON CHARLES D·Filed 2007·Application pending·0 cites
- 4245US2005100658A1Organic material with a region including a guest material and organic electronic devices incorporating the sameFiled 2004·Application pending·0 cites
- 4343US2005100657A1Organic material with a region including a guest material and organic electronic devices incorporating the sameFiled 2003·Application pending·0 cites
- 4442US2008067473A1Liquid composition for deposition of organic active materialsWALKER DENNIS D·Filed 2007·Application pending·0 cites
- 4542US2008020669A1Process for making an organic light-emitting diodeFEEHERY WILLIAM F·Filed 2007·Application pending·0 cites
- 4641US2012091699A1Piezochromic security elementKRUEGER JESSICA·Filed 2010·Application pending·0 cites
- 4735US2006145598A1Electronic devices and process for forming the sameMACPHERSON CHARLES D·Filed 2004·Application pending·0 cites
- 4833US2002067905A1Electrochromic optical attenuatorNORTEL NETWORKS LTD·Filed 2000·Application pending·0 cites
- 4932US2016363704A1Optical devices, and their use for security and authenticationNANOTECH SECURITY CORP·Filed 2016·Application pending·0 cites
- 5031US2006146079A1Process and apparatus for forming an electronic deviceMACPHERSON CHARLES D·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →