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. Shenzhen Qiaohua Industries Limited (3 from 14 patents)
3 patents:
1. D1026699 - Smart doorbell
2. D1024978 - Light switch
3. D1015847 - Smart door lock