Average Co-Inventor Count = 6.46
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. Hasbro, Inc. (1 from 496 patents)
2. S. R. Mickelberg Company, Inc. (1 from 8 patents)
2 patents:
1. D546894 - Electronic game apparatus
2. 6592423 - Rotating holographic toy