Average Co-Inventor Count = 3.00
ph-index = 4
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. Ihi Corporation (4 from 1,141 patents)
4 patents:
1. D839326 - Ingot mold
2. D834624 - Ingot mold
3. D833489 - Ingot mold
4. D809575 - Ingot mold