Inventor · disambiguated record
Cornelis Jan Delst
Also filed as: DELST CORNELIS JAN
52 granted patents·13 pending applications·111 citations·filing 2007–2025
97Inventor score
Files withVIAVI SOLUTIONS INC52ARGOITIA ALBERTO5JDS UNIPHASE CORP4RAKSHA VLADIMIR P2KOHLMANN PAUL T1
Top patents by PatentIndex Score
65 records- 0198US8025952B2Printed magnetic ink overt security imageJDS UNIPHASE CORP·Filed 2007·Granted Sep 27, 2011·55 cites·18 claims
- 0293US11945255B2Optical security elementVIAVI SOLUTIONS INC·Filed 2022·Granted Apr 2, 2024·1 cites·19 claims
- 0393US11554603B2Security feature based on a single axis alignment of mirrors in a structured surface that forms a micro mirror arrayVIAVI SOLUTIONS INC·Filed 2021·Granted Jan 17, 2023·2 cites·20 claims
- 0492US10308812B2Flakes with undulate borders and method of forming thereofVIAVI SOLUTIONS INC·Filed 2016·Granted Jun 4, 2019·2 cites·17 claims
- 0592USRE45762EPrinted magnetic ink overt security imageJDS UNIPHASE CORP·Filed 2013·Granted Oct 20, 2015·5 cites·23 claims
- 0690US11193002B2Orienting magnetically-orientable flakesVIAVI SOLUTIONS INC·Filed 2017·Granted Dec 7, 2021·6 cites·20 claims
- 0790US10642214B2Optical security device based on a surface of revolutionVIAVI SOLUTIONS INC·Filed 2018·Granted May 5, 2020·2 cites·20 claims
- 0888US11787956B2Magnetic multilayer pigment flake and coating compositionVIAVI SOLUTIONS INC·Filed 2022·Granted Oct 17, 2023·0 cites·20 claims
- 0988US8137762B2Two-axial alignment of magnetic plateletsRAKSHA VLADIMIR P·Filed 2009·Granted Mar 20, 2012·9 cites·14 claims
- 1087US12187901B2Composition including reflective particlesVIAVI SOLUTIONS INC·Filed 2019·Granted Jan 7, 2025·1 cites·20 claims
- 1187US2025296380A1Article with angled reflective segmentsVIAVI SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 1287US2025092263A1Security pigmentVIVAVI SOLUTIONS INC·Filed 2024·Application pending·0 cites
- 1386US12344024B2Optical security elementVIAVI SOLUTIONS INC·Filed 2024·Granted Jul 1, 2025·0 cites·2 claims
- 1486US11945972B2Composition including a color shifting pigment and a color filterVIAVI SOLUTIONS INC·Filed 2023·Granted Apr 2, 2024·0 cites·20 claims
- 1585US10597538B2Pigment composition and pigment flakeVIAVI SOLUTIONS INC·Filed 2017·Granted Mar 24, 2020·1 cites·20 claims
- 1685US10189997B2Colorant including a mixture of pigmentsVIAVI SOLUTIONS INC·Filed 2017·Granted Jan 29, 2019·1 cites·20 claims
- 1785US9508475B2Magnetic multilayer pigment flake and coating compositionVIAVI SOLUTIONS INC·Filed 2013·Granted Nov 29, 2016·2 cites·18 claims
- 1885US2024319654A1Optical security device based on a surface of revolutionVIAVI SOLUTIONS INC·Filed 2024·Application pending·0 cites
- 1984US12350950B2Article with angled reflective segmentsVIAVI SOLUTIONS INC·Filed 2021·Granted Jul 8, 2025·0 cites·16 claims
- 2083US12311691B2Orienting magnetically-orientable flakesVIAVI SOLUTIONS INC·Filed 2021·Granted May 27, 2025·0 cites·7 claims
- 2182US11186110B2Article with angled reflective segmentsVIAVI SOLUTIONS INC·Filed 2017·Granted Nov 30, 2021·2 cites·18 claims
- 2281US10981410B2Security feature based on a single axis alignment of mirrors in a structured surface that forms a micro mirror arrayVIAVI SOLUTIONS INC·Filed 2020·Granted Apr 20, 2021·1 cites·20 claims
- 2381US2025382467A1Composition including a color shifting pigment having a different particle sizeVIAVI SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 2479US11833849B2Security ink based security featureVIAVI SOLUTIONS INC·Filed 2022·Granted Dec 5, 2023·0 cites·20 claims
- 2579US11441041B2Magnetic multilayer pigment flake and coating compositionVIAVI SOLUTIONS INC·Filed 2019·Granted Sep 13, 2022·0 cites·16 claims
- 2679US9796856B2Colorant including a mixture of pigmentsVIAVI SOLUTIONS INC·Filed 2013·Granted Oct 24, 2017·2 cites·20 claims
- 2777US12045001B2Optical security device based on a surface of revolutionVIAVI SOLUTIONS INC·Filed 2021·Granted Jul 23, 2024·0 cites·20 claims
- 2877US10618340B2Security feature based on a single axis alignment of mirrors in a structured surface that forms a micro mirror arrayVIAVI SOLUTIONS INC·Filed 2018·Granted Apr 14, 2020·2 cites·26 claims
- 2977US2024424821A1Printing machine and fixed patterned plateVIAVI SOLUTIONS INC·Filed 2024·Application pending·0 cites
- 3076US10061065B2Interference pigments or foils as separate structures having color match or mismatch depending on viewing angleVIAVI SOLUTIONS INC·Filed 2014·Granted Aug 28, 2018·1 cites·23 claims
- 3176US9458324B2Flakes with undulate borders and method of forming thereofARGOITIA ALBERTO·Filed 2009·Granted Oct 4, 2016·4 cites·9 claims
- 3276US8323542B2Substrate and method of manufacturing polygon flakesARGOITIA ALBERTO·Filed 2010·Granted Dec 4, 2012·2 cites·15 claims
- 3376US2025206060A1Security pigment and optical security elementVIAVI SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 3475US12359072B2Pigment including an intermetallic compoundVIAVI SOLUTIONS INC·Filed 2021·Granted Jul 15, 2025·0 cites·13 claims
- 3575US12152152B2Security pigmentVIAVI SOLUTIONS INC·Filed 2020·Granted Nov 26, 2024·0 cites·15 claims
- 3675US9732229B2Diffractive pigment blend and compositionVIAVI SOLUTIONS INC·Filed 2012·Granted Aug 15, 2017·1 cites·20 claims
- 3775US9561682B2Multi color-shifting devices comprising a layer having a microstructured surface and a dielectric non-conforming layerKOHLMANN PAUL T·Filed 2012·Granted Feb 7, 2017·2 cites·20 claims
- 3875US2025319718A1Orienting magnetically-orientable flakesVIAVI SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 3974US8658280B2Taggent flakes for covert security applications having a selected shapeARGOITIA ALBERTO·Filed 2011·Granted Feb 25, 2014·1 cites·11 claims
- 4074US2025136816A1Composition including reflective particlesVIAVI SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 4173US10479901B2Magnetic multilayer pigment flake and coating compositionVIAVI SOLUTIONS INC·Filed 2017·Granted Nov 19, 2019·0 cites·20 claims
- 4272US12083813B2Printing machine and fixed patterned plateVIAVI SOLUTIONS INC·Filed 2021·Granted Sep 10, 2024·0 cites·20 claims
- 4372US11680175B2Composition including a color shifting pigment and a color filterVIAVI SOLUTIONS INC·Filed 2019·Granted Jun 20, 2023·0 cites·20 claims
- 4472US9845398B2Magnetic multilayer pigment flake and coating compositionVIAVI SOLUTIONS INC·Filed 2016·Granted Dec 19, 2017·0 cites·21 claims
- 4572US9482800B2Durable optical interference pigment with a bimetal coreVIAVI SOLUTIONS INC·Filed 2014·Granted Nov 1, 2016·2 cites·19 claims
- 4670US12365802B2Composition including a color shifting pigment having a different particle sizeVIAVI SOLUTIONS INC·Filed 2020·Granted Jul 22, 2025·0 cites·16 claims
- 4770US11150595B2Optical security device based on a surface of revolutionVIAVI SOLUTIONS INC·Filed 2020·Granted Oct 19, 2021·0 cites·20 claims
- 4869US10031269B2Durable optical interference pigment with a bimetal coreVIAVI SOLUTIONS INC·Filed 2016·Granted Jul 24, 2018·1 cites·20 claims
- 4968US12275267B2Security pigment and optical security elementVIAVI SOLUTIONS INC·Filed 2020·Granted Apr 15, 2025·0 cites·19 claims
- 5068US11001720B2Flakes with undulate borders and methods of forming thereofVIAVI SOLUTIONS INC·Filed 2019·Granted May 11, 2021·0 cites·22 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →