Average Co-Inventor Count = 1.60
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 497 patents)
2. Playskool, Inc. (1 from 18 patents)
3. Pragmatic Designs, Inc. (1 from 9 patents)
2 patents:
1. 6079985 - Programmable sound and music making device
2. D320419 - Audiovisual toy