Average Co-Inventor Count = 3.43
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. Ngk Insulators, Inc. (2 from 4,916 patents)
2 patents:
1. 5824167 - Beryllium-copper alloy excellent in strength, workability and heat
2. 5074922 - Method of producing beryllium copper alloy member