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. Shinhancard Co., Ltd. (1 from 10 patents)
2. Dansolplus Co., Ltd. (1 from 4 patents)
1 patent:
1. 11847632 - Sound wave payment system, magnetic field conversion device, and mobile terminal for sound wave payment technical field