Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10315398 | Articles with confounded emission characteristics and methods and apparatus for their authentication | William Ross Rapoport, Carsten Lau | 2019-06-11 |
| 9796205 | Luminescent phosphor compounds, articles including such compounds, and methods for their production and use | Carsten Lau, William Ross Rapoport | 2017-10-24 |
| 9387719 | Cold-worked metal articles including luminescent phosphor particles, methods of forming the same, and methods of authenticating the same | William Ross Rapoport, Carsten Lau | 2016-07-12 |
| 9239262 | Methods and apparatus for authenticating articles with luminescent phosphor compounds | William Ross Rapoport, Carsten Lau | 2016-01-19 |
| 9074137 | Luminescent borates, materials and articles incorporating such borates, and methods and apparatus for their production and use in article authentication | William Ross Rapoport, Carsten Lau | 2015-07-07 |
| 9062220 | Luminescent borates, luminescent materials and articles incorporating such borates | Carsten Lau, William Ross Rapoport | 2015-06-23 |
| 8993101 | Luminescent borates, materials and articles incorporating such borates, and methods and apparatus for their production and use in article authentication | William Ross Rapoport, Carsten Lau | 2015-03-31 |
| 8975598 | Articles incorporating thermographic phosphors, and methods and apparatus for authenticating such articles | William Ross Rapoport, Carsten Lau, Chirag Patel, Jack Steven Croiter | 2015-03-10 |
| 8791428 | Authentication systems for discriminating value documents based on variable luminescence and magnetic properties | Carsten Lau, William Ross Rapoport | 2014-07-29 |
| 8759794 | Articles, methods of validating the same, and validation systems employing decay constant modulation | William Ross Rapoport, Carsten Lau | 2014-06-24 |
| 8742369 | Value documents and other articles having taggants that exhibit delayed maximum intensity emissions, and methods and apparatus for their authentication | William Ross Rapoport, Carsten Lau | 2014-06-03 |
| 8445866 | Refractive index matched phosphors and substrates for security applications | William Ross Rapoport, Carsten Lau | 2013-05-21 |
| 8426871 | Phosphor converting IR LEDs | William Ross Rapoport, Kirin T. Castelino | 2013-04-23 |
| 8400509 | Authentication apparatus for value documents | William Ross Rapoport, Kwong Wing Au, Carsten Lau | 2013-03-19 |
| 8328102 | Method and authentication apparatus for authenticating value documents | William Ross Rapoport, Carsten Lau | 2012-12-11 |
| 8277612 | Controlling the detectability of an article and method for authenticating the article | William Ross Rapoport, Carsten Lau | 2012-10-02 |
| 8263948 | Authentication apparatus for moving value documents | William Ross Rapoport, Carsten Lau | 2012-09-11 |
| 5309070 | AC TFEL device having blue light emitting thiogallate phosphor | Sey-Shing Sun, Richard T. Tuenge, Christopher N. King, P. Niel Yocom | 1994-05-03 |
| 4954747 | Multi-colored thin-film electroluminescent display with filter | Richard T. Tuenge | 1990-09-04 |
| 4728581 | Electroluminescent device and a method of making same | Mildred Ling | 1988-03-01 |
| 4725344 | Method of making electroluminescent phosphor films | Perry Niel Yocom, William E. Harty | 1988-02-16 |
| 4663188 | Method for making a photodetector with enhanced light absorption | — | 1987-05-05 |
| 4532537 | Photodetector with enhanced light absorption | — | 1985-07-30 |
| 4528260 | Method of fabricating lenticular arrays | — | 1985-07-09 |
| 4524127 | Method of fabricating a silicon lens array | — | 1985-06-18 |