Average Co-Inventor Count = 2.18
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. Bertin & Cie (4 from 107 patents)
4 patents:
1. 5262844 - Apparatus for determining the three-dimensional shape of an object
2. 4847509 - Method and apparatus for measuring the diameter of a running elongate
3. 4836674 - Method and apparatus for determining color, in particular of a dental
4. 4758085 - Optical fiber spectrometer/colorimeter apparatus