Average Co-Inventor Count = 2.40
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. Bertin & Cie (2 from 107 patents)
2 patents:
1. 4847509 - Method and apparatus for measuring the diameter of a running elongate
2. 4758085 - Optical fiber spectrometer/colorimeter apparatus