Average Co-Inventor Count = 5.00
ph-index = 3
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 Technology Gmbh (3 from 49 patents)
3 patents:
1. 7140984 - Racket for ball games and production process
2. 7077767 - Racket for ball games and production process
3. 7044869 - Racket for ball games and production process