Average Co-Inventor Count = 2.84
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 (13 from 2,054 patents)
13 patents:
1. 8876631 - Golf club iron with high density leading edge
2. 8668599 - Golf club iron with high density leading edge
3. 8279417 - Laser range finder for use on a golf course
4. 8172697 - Selectively lightened wood-type golf club head
5. 8092319 - Iron-type golf club head with reduced face area below the scorelines
6. 8016641 - Method for manufacturing a golf club head
7. 7684017 - Laser range finder for use on a golf course
8. 7431666 - Golf club head with high moment of inertia
9. 7431667 - Golf club head with high moment of inertia
10. 7419442 - Golf club head with high moment of inertia
11. 7413519 - Golf club head with high moment of inertia
12. 7413520 - Golf club head with high moment of inertia
13. 7410428 - Golf club head with high moment of inertia