Average Co-Inventor Count = 2.96
ph-index = 4
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. (8 from 1,703 patents)
8 patents:
1. 8366135 - Children's ride-on vehicles having detection systems
2. 8297979 - Electronic learning device with a graphic user interface for interactive writing
3. 8038538 - Electronic device for enhancing an interactive experience with a tangible medium of expression
4. 7980966 - Toy for positioning a play implement
5. 7828679 - Toy for positioning a play implement
6. D601640 - Partial chassis for a children's ride-on vehicle
7. 7578505 - Electronic game device with hand and foot controls
8. 7402042 - Electronic learning device for an interactive multi-sensory reading system