Average Co-Inventor Count = 4.50
ph-index = 2
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. Kawasaki Steel Corporation (3 from 1,256 patents)
3 patents:
1. 4985309 - Alloyed steel powder for powder metallurgy
2. 4954171 - Composite alloy steel powder and sintered alloy steel
3. 4804409 - Alloy steel powder for powder metallurgy