Average Co-Inventor Count = 2.00
ph-index = 1
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. Oesterreichische Nationalbank (1 from 4 patents)
2. Oesterreichische Banknoten-und Sicherheitsdruck Gmbh (2 patents)
1 patent:
1. 6165592 - Document with doped optical security attribute, layer composite for