Average Co-Inventor Count = 2.00
ph-index = 3
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. Widia Gmbh (2 from 67 patents)
2. Krupp Widia Gmbh (1 from 16 patents)
3 patents:
1. 5709509 - Cutting insert
2. 5503509 - Cutting insert and drilling tool for drilling in solid materials
3. 5354156 - Drilling tool