Average Co-Inventor Count = 1.36
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. Grammer Ag (3 from 336 patents)
3 patents:
1. 11529899 - Headrest support
2. 10821866 - Headrest
3. 9994133 - Headrest and mount therefor