Average Co-Inventor Count = 2.30
ph-index = 6
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 (11 from 672 patents)
2. Giesecke+devrient Currency Technology Gmbh (2 from 190 patents)
3. Hologram Industries (12 patents)
4. Alise Devices, S.l. (2 patents)
13 patents:
1. 11745474 - Composite glass with an intermediate film that changes colour depending on the viewing angle
2. 10486455 - Application device
3. 9399366 - Security element
4. 8920663 - Production of a security element provided with colored micro-depressions
5. 8685488 - Method for producing a microstructure
6. 8603615 - Security element
7. 8449969 - Security element for security papers and valuable documents
8. 8333870 - Security paper
9. 8317231 - Security element with metallization
10. 7989055 - Security element and method for producing the same
11. 7758078 - Security element and method for producing the same
12. 7637537 - Laminated multi-layer card with an inlaid security element in the form of relief structures
13. 7479320 - Security element and method for producing the same