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. Nippon Paper Industries Co., Ltd. (1 from 342 patents)
2. Aikawa Iron Works Co., Ltd. (1 from 28 patents)
1 patent:
1. 8926793 - Processes for preparing pulp and paper