Average Co-Inventor Count = 4.44
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 Jena Gmbh (2 from 282 patents)
2 patents:
1. 5999262 - Process and apparatus for detecting structural changes of specimens
2. 5781295 - Interferometer for absolute distance measurement