Average Co-Inventor Count = 3.23
ph-index = 5
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. Learning Resources, Inc. (6 from 23 patents)
7 patents:
1. 11648485 - Toy robot
2. D890861 - Toy robot
3. 7351062 - Educational devices, systems and methods using optical character recognition
4. 6532314 - Talking toy scanner
5. 6179682 - Teaching toy telephone
6. D420405 - Teaching toy telephone
7. D377949 - Digital/analog teaching clock