Average Co-Inventor Count = 5.46
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. E Ink Holdings Inc. (2 from 551 patents)
2 patents:
1. 12112217 - Electronic card receiving device and method of using electronic card receiving device
2. 11990100 - E-paper identification card system and e-paper identification card