Average Co-Inventor Count = 1.82
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. Other (3 from 832,812 patents)
2. Mattel, Inc. (1 from 1,702 patents)
3. Greg Hyman Associates, Inc. (1 from 1 patent)
5 patents:
1. 5495557 - Electronic toy for forming sentences
2. 5316515 - Waist attaching hobby horse
3. 5055053 - Computer toy
4. 4974850 - Vibration triggered game device
5. 4911440 - Balancing board