Average Co-Inventor Count = 3.43
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 (1 from 336 patents)
2. Grammar Ag (1 from 10 patents)
2 patents:
1. 8814227 - Latch for a motor-vehicle headrest
2. 7111901 - Headrest for automotive vehicle seats