Average Co-Inventor Count = 4.76
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 Dongzheng Optical Technology Co., Ltd (4 from 5 patents)
2. Chouch Optical Technology Co., Ltd. (1 from 1 patent)
5 patents:
1. D1057003 - Lens adapter
2. D1053933 - Expander
3. D1013759 - Camera lens
4. D1002703 - Camera lens
5. D982064 - Camera lens