Average Co-Inventor Count = 2.86
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. Playworld Systems, Inc. (6 from 21 patents)
6 patents:
1. D565120 - Electronic game apparatus
2. D565119 - Electronic game apparatus
3. D565121 - Electronic game apparatus
4. D529106 - Exercise station
5. D528613 - Exercise station
6. D515151 - Exercise station