Average Co-Inventor Count = 1.00
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. Sumitomo Electric Hardmetal Corp. (5 from 553 patents)
5 patents:
1. D1105185 - Cutting tool for processing valve sheet
2. D1099999 - Cutting tool for processing valve sheet
3. D1096872 - Cutting tool for processing valve sheet
4. D1006844 - Cutting tool for processing valve sheet
5. D821460 - Body of cutting tool for processing a valve sheet