Average Co-Inventor Count = 2.40
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 Smt Gmbh (2 from 1,413 patents)
2 patents:
1. 12422756 - Optical system, in particular lithography system
2. 12105429 - Optical system with an aperture stop