Average Co-Inventor Count = 1.73
ph-index = 4
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. (3 from 497 patents)
2. Mattel, Inc. (1 from 1,703 patents)
3. Learning Curve Brands, Inc. (1 from 12 patents)
5 patents:
1. 7963896 - Child exercise seat
2. 6547628 - Electronic learning toy
3. 6517355 - Magnetically responsive writing device with automated output
4. D460127 - Activity desk for a child
5. 6116983 - Remotely controlled crib toy