Average Co-Inventor Count = 2.40
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. Tunturi, Inc. (1 from 21 patents)
2 patents:
1. D421779 - Treadmill-type exercise apparatus
2. D362699 - Recumbent exercise bike