Average Co-Inventor Count = 4.50
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 (3 from 672 patents)
2. Giesecke+devrient Currency Technology Gmbh (190 patents)
3 patents:
1. 8622433 - Security document
2. 8400673 - Value document comprising a serial number
3. 7054043 - Security element