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. Toyo Ink Manufacturing Company (1 from 223 patents)
1 patent:
1. 4948884 - Process for the halogenation of copper phthalocyanine