Average Co-Inventor Count = 16.00
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 (2 from 3,576 patents)
2 patents:
1. 6017497 - Atomizing roasting furnace for producing ferrite raw material powder
2. 5688430 - Soft ferrite raw material powder, its sintered body, and their