Average Co-Inventor Count = 3.43
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. Tokuyama Corporation (2 from 504 patents)
2 patents:
1. 6475924 - Substrate and process for producing the same
2. 5770821 - Submount