Average Co-Inventor Count = 5.91
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. Topgolf Callaway Brands Corp. (3 from 286 patents)
3 patents:
1. D1082984 - Putter head
2. D982690 - Putter head
3. D978269 - Putter head