Average Co-Inventor Count = 2.86
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-smt Ag (2 from 461 patents)
2 patents:
1. 7329886 - EUV illumination system having a plurality of light sources for illuminating an optical element
2. 7071476 - Illumination system with a plurality of light sources