Average Co-Inventor Count = 3.11
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. E Ink Holdings Inc. (2 from 551 patents)
2 patents:
1. 8780081 - Touch panel
2. D676049 - Touch pen