Average Co-Inventor Count = 2.00
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. Champion International Corporation Limited (2 from 726 patents)
2 patents:
1. 4187193 - Micro-capsules containing ureido fluoran chromogenic compounds
2. 4104437 - Pressure-sensitive copy system including ureido fluoran chromogenic