Average Co-Inventor Count = 2.77
ph-index = 3
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. (3 from 1,702 patents)
3 patents:
1. 4629440 - Animated toy
2. 4522607 - Toy railroad vehicle with alignment bias
3. 4108437 - Toy vehicle starting and launching set