Average Co-Inventor Count = 4.00
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. (2 from 113 patents)
2 patents:
1. 9520069 - Method and system for providing content for learning appliances over an electronic communication medium
2. 6801751 - Interactive learning appliance