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 (8 from 2,054 patents)
8 patents:
1. D947305 - Ball marker
2. D947306 - Ball marker
3. D947307 - Ball marker
4. D947308 - Ball marker
5. D917645 - Ball marker
6. D914821 - Ball marker
7. D897471 - Ball marker
8. D895754 - Ball marker