Average Co-Inventor Count = 2.65
ph-index = 9
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 (15 from 2,054 patents)
15 patents:
1. D817422 - Golf club head
2. D769385 - Putter head
3. D764613 - Golf club face scoreline pattern
4. D649357 - Golf bag top and handle
5. D594299 - Golf club wrench
6. D566803 - Iron golf club head
7. D562423 - Iron golf club head
8. D561857 - Golf club head cover
9. D547406 - Golf club grip
10. D484209 - Golf club head cover
11. D476387 - Golf club head cover
12. D475104 - Golf club head cover
13. D475103 - Golf club head cover
14. D463519 - Golf club head cover
15. D443667 - Golf club head cover