Average Co-Inventor Count = 2.40
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. Dena Co., Ltd. (2 from 166 patents)
2 patents:
1. 10469422 - System, method, and program that allow audio chatting
2. 9942393 - Audio chat management device and method