Average Co-Inventor Count = 3.00
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. Sicpa Holding Sa (1 from 323 patents)
2. Philip Morris Products S.a. (1,303 patents)
1 patent:
1. 7381758 - Ink composition comprising optically variable pigments, use of the composition, optically variable pigment and method of treating said pigment