Average Co-Inventor Count = 4.00
ph-index = 6
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 (6 from 2,054 patents)
6 patents:
1. 8376876 - Golf club head with variable face thickness
2. 8012041 - Golf club head with variable face thickness
3. D590036 - Tip end of a golf club shaft
4. D588660 - Tip end of a golf club shaft
5. D588219 - Tip end of a golf club shaft
6. D587770 - Tip end of a golf club shaft