Average Co-Inventor Count = 2.39
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. 5076520 - Infant toy support
2. 4844475 - Electronic interactive game apparatus in which an electronic station
3. 4772241 - Toy top with impeller-driven flywheel