Average Co-Inventor Count = 2.62
ph-index = 6
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. Hasbro, Inc. (7 from 496 patents)
7 patents:
1. 6991509 - Activity toy
2. D495756 - Musical toy
3. 6699093 - Event-activated toy
4. 6142849 - Musical toy
5. 6089948 - Banjo-playing toy
6. 5722874 - Treehouse play set with elevator platform and extendable branch members
7. 5668333 - Musical rainbow toy