Average Co-Inventor Count = 5.00
ph-index = 1
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. Advanced Telecommunications Research Institute International (1 from 87 patents)
1 patent:
1. 7401018 - Foreign language learning apparatus, foreign language learning method, and medium