Average Co-Inventor Count = 3.00
ph-index = 1
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 (2 from 2,054 patents)
2 patents:
1. D704287 - Putter head
2. D702788 - Golf club fitting device