Average Co-Inventor Count = 5.06
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. 7203455 - Interactive multi-sensory reading system electronic teaching/learning device
2. 6485349 - Rolling toy
3. 6062939 - Toy power tool