Average Co-Inventor Count = 8.00
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. Callaway Golf Company (1 from 2,054 patents)
2. Callaway Golf Club (1 from 1 patent)
2 patents:
1. 7497787 - Multiple material golf club head
2. 7491134 - Multiple material golf club head