Issued Patents All Time
Showing 1–25 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12275260 | Security device formed by printing with special effect inks | Vladimir P. Raksha, Charles T. Markantes | 2025-04-15 |
| 12135239 | Optical filter and spectrometer | Paula Smith, Curtis R. Hruska, Benjamin F. Catching | 2024-11-05 |
| 12064987 | Optical device with magnetic flakes and structured substrate | Vladimir P. Raksha, Cornelis Jan Delst | 2024-08-20 |
| 11787956 | Magnetic multilayer pigment flake and coating composition | Vladimir P. Raksha, Paul T. Kohlmann, Cornelis Jan Delst | 2023-10-17 |
| 11554603 | Security feature based on a single axis alignment of mirrors in a structured surface that forms a micro mirror array | Cornelis Jan Delst, Vladimir P. Raksha, Robert B. Sargent, Michael Ray Nofi | 2023-01-17 |
| 11504990 | Security device formed by printing with special effect inks | Vladimir P. Raksha, Charles T. Markantes | 2022-11-22 |
| 11441041 | Magnetic multilayer pigment flake and coating composition | Vladimir P. Raksha, Paul T. Kohlmann, Cornelis Jan Delst | 2022-09-13 |
| 11237049 | Optical filter and spectrometer | Paula Smith, Curtis R. Hruska, Benjamin F. Catching | 2022-02-01 |
| 11230127 | Method and apparatus for orienting magnetic flakes | Vladimir P. Raksha, Charles T. Markantes | 2022-01-25 |
| 11198315 | Article with curved patterns formed of aligned pigment flakes | Vladimir P. Raksha, John Hynes, Laurence Holden | 2021-12-14 |
| 10981410 | Security feature based on a single axis alignment of mirrors in a structured surface that forms a micro mirror array | Cornelis Jan Delst, Vladimir P. Raksha, Robert B. Sargent, Michael Ray Nofi | 2021-04-20 |
| 10753793 | Optical filter and spectrometer | Paula Smith, Curtis R. Hruska, Benjamin F. Catching | 2020-08-25 |
| 10752042 | Article with dynamic frame formed with aligned pigment flakes | Vladimir P. Raksha, John Hynes, Laurence Holden | 2020-08-25 |
| 10618340 | Security feature based on a single axis alignment of mirrors in a structured surface that forms a micro mirror array | Cornelis Jan Delst, Vladmir P. Raksha, Robert B. Sargent, Michael Ray Nofi | 2020-04-14 |
| 10562333 | Article with curved patterns formed of aligned pigment flakes | Vladimir P. Raksha, John Hynes, Laurence Holden | 2020-02-18 |
| 10479901 | Magnetic multilayer pigment flake and coating composition | Vladimir P. Raksha, Paul T. Kohlmann, Cornelis Jan Delst | 2019-11-19 |
| 10481100 | In-situ spectral process monitoring | Benjamin F. Catching, Marc K. Von Gunten, Curtis R. Hruska, Paula Smith | 2019-11-19 |
| 10343436 | Security device formed by printing with special effect inks | Vladimir P. Raksha, Charles T. Markantes | 2019-07-09 |
| 10259254 | Article with a dynamic frame formed with aligned pigment flakes | Vladimir P. Raksha, John Hynes, Laurence Holden | 2019-04-16 |
| 10242788 | Anisotropic magnetic flakes | Vladimir P. Raksha, Charles T. Markantes, Roger W. Phillips, Paul T. Kohlmann, Alberto Argoitia +1 more | 2019-03-26 |
| 10232660 | Article with curved patterns formed of aligned pigment flakes | Vladimir P. Raksha, John Hynes, Laurence Holden | 2019-03-19 |
| 10173455 | Dynamic appearance-changing optical devices (DACOD) printed in a shaped magnetic field including printable fresnel structures | Vladimir P. Raksha, Charles T. Markantes, Alberto Argoitia, Roger W. Phillips | 2019-01-08 |
| 10059137 | Apparatus for orienting magnetic flakes | Vladimir P. Raksha, Charles T. Markantes | 2018-08-28 |
| 10048127 | Optical filter and spectrometer | Paula Smith, Curtis R. Hruska, Benjamin F. Catching | 2018-08-14 |
| 10031269 | Durable optical interference pigment with a bimetal core | Charles T. Markantes, Cornelis Jan Delst, Vladimir P. Raksha, David de la Fuente | 2018-07-24 |