Average Co-Inventor Count = 9.00
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 4,423 patents)
2. Dunlop Sports Company Limited (2 from 489 patents)
4 patents:
1. 11173360 - Golf club head
2. 10456638 - Golf club head
3. 10058748 - Golf club head
4. 9474948 - Golf club head