Average Co-Inventor Count = 3.33
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. 8164429 - Operational-state responsive audiovisual systems
2. 7938218 - Children's ride-on vehicles having ground detection systems
3. 7591335 - Children's ride-on vehicles having ground detection systems