Average Co-Inventor Count = 2.67
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. Sulzer Orthopedics Inc. (1 from 74 patents)
2. Wittenstein Gmbh & Co. Kg. (1 from 14 patents)
2 patents:
1. 6565576 - Distraction assembly
2. 6533791 - Instrument system for the operative correction of vertebral displacements