Average Co-Inventor Count = 5.00
ph-index = 4
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 Corporation (4 from 701 patents)
4 patents:
1. 8553012 - Apparatus for displaying drawings
2. 7705824 - Apparatus for displaying drawings
3. 7312784 - Apparatus for displaying drawings
4. 7030854 - Apparatus for displaying drawings