Average Co-Inventor Count = 5.68
ph-index = 3
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. Giesecke & Devrient Gmbh (4 from 672 patents)
4 patents:
1. 8245831 - Device and method for checking banknotes
2. 8139839 - Apparatus for checking the authenticity of banknotes
3. 7866545 - Method for identifying banknotes origin
4. 7699153 - Method for identifying counterfeit banknotes