Average Co-Inventor Count = 2.73
ph-index = 3
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. Beijing Kuangshi Technology Co., Ltd. (5 from 61 patents)
2. Pinhole (beijing) Technology Co., Ltd. (4 from 24 patents)
5 patents:
1. 10528849 - Liveness detection method, liveness detection system, and liveness detection device
2. 10339402 - Method and apparatus for liveness detection
3. 10268950 - Face detection using machine learning
4. 9985963 - Method and system for authenticating liveness face, and computer program product thereof
5. 9940532 - Liveness detection apparatus and liveness detection method