Average Co-Inventor Count = 3.00
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. Other (1 from 832,718 patents)
3 patents:
1. 11079660 - Optical filter holder
2. D905784 - Camera lens adapter
3. D905785 - Optical filter holder