Average Co-Inventor Count = 4.36
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. Zimmer Spine, Inc. (1 from 347 patents)
2. Sulzer Orthopedics Inc. (1 from 74 patents)
2 patents:
1. 7198627 - Spinal fixation device and method
2. 6547789 - Holding apparatus for the spinal column