Average Co-Inventor Count = 8.00
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. Other (1 from 832,966 patents)
2. Hokuetsu Carbon Industry Co., Ltd (1 from 1 patent)
1 patent:
1. 3969244 - Method of adsorbing heavy metals