Average Co-Inventor Count = 2.00
ph-index = 2
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. At&t Bell Laboratories (1 from 3,345 patents)
2. American Telephone and Telegraph, Co. (1 from 386 patents)
2 patents:
1. 4937643 - Devices having tantalum silicide structures
2. 4472237 - Reactive ion etching of tantalum and silicon