Average Co-Inventor Count = 5.62
ph-index = 4
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. Callaway Golf Company (4 from 2,054 patents)
4 patents:
1. 6554722 - Golf club head
2. 6379263 - Golf club and weighting system
3. 6348012 - Golf club and weighting system
4. 6210290 - Golf club and weighting system