Average Co-Inventor Count = 1.28
ph-index = 6
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. De La Rue North America Inc. (13 from 18 patents)
2. De La Rue International Limited (3 from 194 patents)
3. De La Rue Cash Systems Inc. Fka Currency Systems International, Inc. (1 from 1 patent)
17 patents:
1. 9292990 - Systems and methods for spectral authentication of a feature of a document
2. 9210332 - Determining document fitness using illumination
3. 9053596 - Systems and methods for spectral authentication of a feature of a document
4. 9036136 - Systems and methods for detecting tape on a document according to a predetermined sequence using line images
5. 8781176 - Determining document fitness using illumination
6. 8780206 - Sequenced illumination
7. 8749767 - Systems and methods for detecting tape on a document
8. 8682038 - Determining document fitness using illumination
9. 8509492 - Detection of color shifting elements using sequenced illumination
10. 8472676 - Apparatus and method for analysing a security document
11. 8464875 - Apparatus for analysing a security document
12. 8433124 - Systems and methods for detecting an optically variable material
13. 8290216 - Determining document fitness using illumination
14. 8276911 - Inertial flattening apparatus for note processing
15. 8265346 - Determining document fitness using sequenced illumination