Average Co-Inventor Count = 2.57
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 1,702 patents)
3 patents:
1. 8574050 - Game unit with dual joystick controllers
2. 8568213 - Game unit with controller-determined characters
3. 7874918 - Game unit with motion and orientation sensing controller