Average Co-Inventor Count = 4.00
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. Ciba-geigy Corporation (1 from 6,850 patents)
1 patent:
1. 4769310 - Laser marking of ceramic materials, glazes, glass ceramics and glasses