Average Co-Inventor Count = 3.60
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. Audible, Inc. (2 from 109 patents)
2. Amazon Technologies, Inc. (1 from 22,475 patents)
3 patents:
1. 11024199 - Foreign language learning dictionary system
2. 10777096 - System for assisting in foreign language learning
3. 9927957 - Rotary navigation of synchronized content