Average Co-Inventor Count = 2.86
ph-index = 5
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. (5 from 1,702 patents)
5 patents:
1. 4744781 - Amphibious toy vehicle
2. 4734076 - Toy vehicle play setting
3. 4690658 - Toy car launcher with expandable scissors members
4. 4661080 - Toy racing set with exploding raceway
5. 4516953 - Toy vehicular playset