Average Co-Inventor Count = 4.00
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. Sdgi Holdings, Inc. (2 from 334 patents)
2. Sofamor Danek Group, Inc. (1 from 8 patents)
3 patents:
1. 5776197 - Adjustable vertebral body replacement
2. 5776198 - Adjustable vertebral body replacement
3. 5702453 - Adjustable vertebral body replacement