Average Co-Inventor Count = 3.00
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. Mitsui Mining Co., Ltd. (1 from 44 patents)
1 patent:
1. 5330680 - Foliated fine graphite particles and method for preparing same