Average Co-Inventor Count = 4.24
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. Carl Zeiss Sports Optics Gmbh (2 from 47 patents)
2. Carl Zeiss Meditec Ag (1 from 770 patents)
3. Carl Zeiss Ag (1 from 209 patents)
3 patents:
1. 10895754 - Optical system for imaging an object
2. 8149507 - Binocular
3. 7869004 - Optical observation apparatus