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. Brainlab Ag (2 from 598 patents)
2 patents:
1. 8317844 - Device for fixing a reference element
2. 8192449 - Non-penetrating fixing device