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. Other (1 from 832,880 patents)
2. Nippon Steel Corporation (1 from 3,562 patents)
3. Babcock-hitachi Kabushiki Kaisha (1 from 222 patents)
1 patent:
1. 6136110 - Ferritic heat-resistant steel having excellent high temperature strength