Average Co-Inventor Count = 2.00
ph-index = 1
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 patents:
1. D978996 - Head for a golf club
2. D978268 - Face insert for a golf club head