Average Co-Inventor Count = 3.43
ph-index = 2
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. Guthy-renker Corporation (2 from 14 patents)
2 patents:
1. 7794378 - Exercise chair with side supporters
2. D623706 - Exercise chair with side supports