Average Co-Inventor Count = 5.54
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-stiftung (1 from 702 patents)
2. Amsl Netherlands B.v. (1 from 3 patents)
2 patents:
1. 6750949 - Lithographic apparatus and device manufacturing method
2. 6191898 - Optical imaging device, particularly an objective, with at least one optical element