Average Co-Inventor Count = 2.77
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 (2 from 336 patents)
2. Grammar Ag (1 from 10 patents)
3 patents:
1. 9114744 - Latchable headrest
2. 8814227 - Latch for a motor-vehicle headrest
3. 7111901 - Headrest for automotive vehicle seats