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 (2 from 4,417 patents)
2 patents:
1. 7204290 - Apparatus for removing cover of golf ball from core
2. 6833098 - Method of removing cover of golf ball from core