Average Co-Inventor Count = 4.00
ph-index = 2
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 (5 from 4,423 patents)
5 patents:
1. 12350557 - Golf club head
2. 12017124 - Golf club head
3. 11752398 - Golf club head
4. 11148018 - Golf club head
5. 11130023 - Golf club head