Average Co-Inventor Count = 1.71
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. Ntels Co., Ltd. (1 from 4 patents)
3 patents:
1. D993986 - Digital audio player
2. D975685 - Earphone
3. 9402001 - Separate billing system for BYOD service and separate billing method for data service