Average Co-Inventor Count = 2.00
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. Nippon Steel Sumitomo Metal Corporation (1 from 1,101 patents)
1 patent:
1. D689184 - Plug for use at an end of a tube