Average Co-Inventor Count = 3.16
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. Grammer Ag (5 from 336 patents)
5 patents:
1. 8534646 - Seat suspension device for a vehicle seat
2. D534731 - Long backrest car seat
3. D523646 - Short backrest car seat
4. 6609757 - Vehicle seat
5. D426392 - Vehicle seat