Average Co-Inventor Count = 2.35
ph-index = 6
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. (9 from 1,702 patents)
9 patents:
1. 4669657 - Toy train play setting with detachable storage building
2. 4575350 - Track for toy vehicles
3. 4504242 - Modular unit with toy vehicle propulsion device
4. 4366645 - Steering mechanism for toy vehicles
5. 4349983 - Playset for toy vehicles
6. 4249339 - Space toy
7. 4052813 - Animated toy
8. 4027424 - Multi-structure animated amusement device
9. 3992806 - Animated toy