Average Co-Inventor Count = 2.18
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. Barnes & Noble College Booksellers, LLC (4 from 43 patents)
4 patents:
1. 11768589 - Digital flash cards including links to digital content
2. 11029826 - Digital flash cards including links to digital content
3. 9927963 - Digital flash cards including links to digital content
4. 9588979 - UI techniques for navigating a file manager of an electronic computing device