Average Co-Inventor Count = 5.00
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. Toa Nenryo Kogyo, K. K. (1 from 39 patents)
1 patent:
1. 4895712 - Process for producing carbon fiber and graphite fiber