Average Co-Inventor Count = 5.00
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 3,554 patents)
2. Ruhrkohle Ag (1 from 69 patents)
1 patent:
1. 5421963 - Coke-feeding device with housing for a dry cooling installation for coke