Average Co-Inventor Count = 3.84
ph-index = 4
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)
2. Carl Zeiss Surgical Gmbh (1 from 50 patents)
6 patents:
1. 7753600 - Camera adapter having a camera holder and an optical adapter
2. 5973829 - Illuminating arrangement for a surgical microscope
3. 5838491 - Viewing apparatus having oblique illumination
4. 5748367 - Illuminating device for a stereo microscope
5. 5589977 - Binocular tube assembly for a stereomicroscope
6. 5288987 - Autofocusing arrangement for a stereomicroscope which permits automatic