Average Co-Inventor Count = 2.00
ph-index = 2
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 (2 from 672 patents)
2 patents:
1. 7550736 - Methods and apparatuses for checking the authenticity of sheet material
2. 7378665 - Methods and devices for verifying the authenticity of sheet-type products