Average Co-Inventor Count = 2.48
ph-index = 19
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. Gao Gesellschaft Fur Automation Und Organisation Mbh (28 from 182 patents)
2. Giesecke & Devrient Gmbh (16 from 672 patents)
3. Other (2 from 832,961 patents)
4. Glesecke & Devrient Gmbh (1 from 2 patents)
5. Giesecke+devrient Currency Technology Gmbh (194 patents)
47 patents:
1. 8262134 - Value document
2. 7845570 - Value document
3. 7819434 - Value document
4. 7571796 - Method and apparatus for determining the state of bank notes
5. 7175739 - Method for incorporating feature substances into a paper web
6. 6954293 - Data carrier having an optically variable element and methods for producing it
7. 6936138 - Apparatus for incorporating feature substances into a paper web
8. 6755441 - Machine detectable document of value
9. 6530602 - Machine detectable document of value
10. 6506476 - Printed document having a value, with luminescent authenticity feature
11. 6503603 - Printed document having a value and comprising a luminescent authenticity feature
12. 6479133 - Document having a value
13. 6454166 - Security document with a security component and method for the production thereof
14. 6383618 - Printed document comprising a luminescent authenticity feature
15. 6344261 - Printed document having a value and comprising a luminescent authenticity feature based on a host lattice