Average Co-Inventor Count = 4.71
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. Zhejiang Dahua Technology Co., Ltd. (3 from 224 patents)
2. Hangzhou Hikvision System Technology Co., Ltd. (1 from 14 patents)
4 patents:
1. 11860516 - Surveillance device
2. 11835847 - Surveillance device
3. 11138846 - Method and apparatus for video patrol
4. 11092883 - Surveillance device