Average Co-Inventor Count = 2.57
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. Alibaba Group Holding Limited (3 from 2,397 patents)
2. Advanced New Technologies Co., Ltd. (1,365 patents)
3 patents:
1. 10248954 - Method and system for verifying user identity using card features
2. 9930533 - Identity authentication by using human biological characteristic
3. 9552469 - Identity authentication by using human biological characteristic