Average Co-Inventor Count = 4.61
ph-index = 3
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 (5 from 702 patents)
5 patents:
1. 7649681 - Surgical microscope
2. 6804547 - Medical therapeutic and/or diagnostic apparatus having a position detecting device
3. 6430433 - Apparatus for image-supported treatment of a work object
4. 5667186 - Stand for mounting various loads
5. 5345087 - Optical guide system for spatially positioning a surgical microscope