Average Co-Inventor Count = 2.00
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. Sumitomo Electric Hardmetal Corp. (2 from 553 patents)
2 patents:
1. D810159 - Tip for cutting tool
2. D789429 - Tip for cutting tool