Average Co-Inventor Count = 2.54
ph-index = 4
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. Sumitomo Rubber Industries Limited (3 from 4,414 patents)
2. Dunlop Sports Company Limited (3 from 488 patents)
6 patents:
1. 12434114 - Golf club head
2. 11786787 - Golf club head
3. 10220273 - Putter-type golf club head with alignment feature
4. D827071 - Golf club head
5. D815705 - Golf club head
6. D815707 - Golf club head