Average Co-Inventor Count = 5.00
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. Digimarc Corporation (1 from 1,407 patents)
2. L-1 Secure Credentialing, Inc. (41 patents)
3. Digimarc Id Systems (2 patents)
1 patent:
1. 6843422 - Contact smart cards having a document core, contactless smart cards including multi-layered structure, pet-based identification document, and methods of making same