Average Co-Inventor Count = 4.00
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. L-1 Secure Credentialing, Inc. (2 from 41 patents)
2. Digimarc Id Systems (1 from 2 patents)
3 patents:
1. 8025239 - Multiple image security features for identification documents and methods of making same
2. 7744001 - Multiple image security features for identification documents and methods of making same
3. 6817530 - Multiple image security features for identification documents and methods of making same