Average Co-Inventor Count = 2.86
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. The Tiffen Company LLC (2 from 16 patents)
2 patents:
1. D754666 - Case for image-taking device
2. 8960947 - Lighting apparatus