Average Co-Inventor Count = 4.00
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 Corporation (4 from 320 patents)
4 patents:
1. D721018 - Rim for a wheel
2. 8807251 - Electric motor and brake assembly
3. D667761 - Tire
4. D667349 - Outer hub for a wheel