Average Co-Inventor Count = 4.24
ph-index = 3
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. Invacare International Sarl (6 from 30 patents)
6 patents:
1. 9907713 - Wheelchair including a tiltable seat
2. D770946 - Wheelchair frame
3. D770334 - Wheelchair frame
4. D765563 - Wheelchair anti-tip
5. D765562 - Wheelchair armrest
6. 8677857 - Handle brake device