Average Co-Inventor Count = 2.40
ph-index = 2
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 1,703 patents)
2. Other (1 from 832,891 patents)
4 patents:
1. 9731208 - Methods of playing video games
2. 8698747 - Hand-activated controller
3. 8535153 - Video game system and methods of operating a video game
4. 7883420 - Video game systems