Average Co-Inventor Count = 9.00
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 Minings & Melting Co., Ltd. (1 from 817 patents)
1 patent:
1. 7811709 - Negative electrode for nonaqueous secondary battery, process of producing the negative electrode, and nonaqueous secondary battery