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. Nippon Steel Corporation (1 from 3,548 patents)
2. Katayama Chemical Works Co., Ltd. (1 from 15 patents)
1 patent:
1. 4897201 - Composition and a process for promoting dewatering of granulated slag