Average Co-Inventor Count = 4.00
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. Hitachi Metals, Ltd. (1 from 2,333 patents)
1 patent:
1. 11486014 - Method for producing plated black heart malleable cast iron member, plated black heart malleable cast iron member, and pipe joint