Average Co-Inventor Count = 1.33
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. Sandvik Intellectual Property Ab (1 from 915 patents)
2. Sandvik Ab (1 from 686 patents)
2 patents:
1. 7128172 - Drill string for upward drilling and components therefor
2. D416029 - Drill bit