Average Co-Inventor Count = 2.40
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. Bell Telephone Laboratories (2 from 2,714 patents)
2 patents:
1. 4422898 - Technique for the fabrication of an iron oxide mask
2. 3992152 - Gold plating test procedure