Average Co-Inventor Count = 1.79
ph-index = 11
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. Lisco, Inc. (11 from 303 patents)
2. Callaway Golf Company (4 from 2,054 patents)
3. Spalding Sports Worldwide, Inc. (1 from 220 patents)
17 patents:
1. 6988960 - Golf club head with peripheral weighting
2. 6890267 - Golf club head with peripheral weighting
3. 6860818 - Golf club head with peripheral weighting
4. D490129 - Ribbed back golf club head with medallion
5. D481432 - Ribbed back golf club head
6. D478952 - Ribbed cavity back in a golf club head
7. D368505 - Golf club putter
8. D363961 - Golf club
9. D363518 - Golf club putter
10. D363327 - Golf club putter
11. D363328 - Golf club putter
12. D363329 - Golf club putter
13. D363330 - Golf club putter
14. 5290032 - Iron with progessive back cavity support bar
15. D338937 - Golf club head