Average Co-Inventor Count = 4.44
ph-index = 3
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 (2 from 4,418 patents)
2. Dunlop Sports Company Limited (2 from 489 patents)
4 patents:
1. 11247107 - Golf club head
2. 11045695 - Golf club head
3. 10843052 - Golf club head
4. 10238930 - Golf club head