Average Co-Inventor Count = 3.72
ph-index = 30
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 (66 from 2,054 patents)
2. Callaway Gold Company (1 from 8 patents)
3. Gallaway Golf Company (1 from 2 patents)
68 patents:
1. 9636551 - Adjustable golf club shaft and hosel assembly
2. 9561404 - Adjustable golf club shaft and hosel assembly
3. D763994 - Golf club head
4. D763996 - Golf club head
5. 9227117 - Adjustable iron-type golf club head
6. 9168427 - Adjustable golf club shaft and hosel assembly
7. 9155943 - Adjustable golf club shaft and hosel assembly
8. 9155947 - Variable length shaft and grip
9. 9119998 - Adjustable golf club shaft and hosel assembly
10. D736877 - Golf club head
11. 9101806 - Adjustable golf club shaft and hosel assembly
12. 9101809 - Golf club head with variable face thickness
13. 9067108 - Adjustable golf club shaft and hosel assembly
14. 9044652 - Adjustable golf club shaft and hosel assembly
15. 8956243 - Adjustable iron-type golf club head