Average Co-Inventor Count = 3.27
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. Leapfrog Enterprises, Inc. (3 from 113 patents)
3 patents:
1. 7018737 - Battery pack including rechargeable batteries
2. D500316 - Interactive print media apparatus
3. D489367 - Interactive print media apparatus