Average Co-Inventor Count = 3.43
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. Carl Zeiss Ag (2 from 209 patents)
2 patents:
1. 8858099 - Anamorphic objective
2. 8430581 - Camera lens assembly and adaptation set