Average Co-Inventor Count = 5.41
ph-index = 4
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 (5 from 49 patents)
5 patents:
1. 8012043 - Grip tape and grip for ball game racket
2. 7967706 - Racket for ball games
3. 7140984 - Racket for ball games and production process
4. 7077767 - Racket for ball games and production process
5. 7044869 - Racket for ball games and production process