Average Co-Inventor Count = 5.00
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. Hangzhou Hikvision Digital Technology Co., Ltd. (3 from 331 patents)
3 patents:
1. D885227 - Entrance machine
2. D884538 - Entrance machine
3. D876268 - Entrance machine