Average Co-Inventor Count = 1.50
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. Mattel, Inc. (2 from 1,702 patents)
2 patents:
1. 5292134 - Ball catching and launching toy
2. 5165337 - Screen printing kit for children