Average Co-Inventor Count = 3.00
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. International Business Machines Corporation (3 from 164,244 patents)
3 patents:
1. 5729383 - Oblique viewing microscope system
2. 5715081 - Oblique viewing microscope system
3. 5673144 - Oblique viewing microscope system