Average Co-Inventor Count = 3.00
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. Crayola Llc. (2 from 131 patents)
2 patents:
1. 7815723 - Water-based ink system
2. 7727319 - Water-based ink system