Average Co-Inventor Count = 2.00
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. Head Sportgerate Gesellschaft M.b.h. & Co. Ohg (2 from 9 patents)
2 patents:
1. D348093 - Base cap for a racquet handle
2. 5129656 - Racquet, in particular a tennis racquet