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. Other (1 from 832,812 patents)
2. Hasbro Industries, Inc. (1 from 48 patents)
2 patents:
1. 4718877 - Winged toy
2. 4508512 - Shape-matching toy apparatus with safety hinge