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. R.r. Donnelley and Sons Company (2 from 292 patents)
2 patents:
1. 11008478 - Ink composition for use on non-absorbent surfaces
2. 9868869 - Ink composition for use on non-absorbent surfaces