Average Co-Inventor Count = 3.60
ph-index = 6
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. Dunlop Sports Company Limited (7 from 489 patents)
2. Sumitomo Rubber Industries Limited (2 from 4,423 patents)
9 patents:
1. 11850482 - Putter-type golf club head
2. 10252124 - Putter-type golf club head
3. 9694259 - Putter-type golf club head
4. D726271 - Golf ball marker
5. D710469 - Golf club head
6. D710470 - Golf club head
7. D709971 - Golf club head
8. D709972 - Golf club head
9. D709973 - Golf club head