Average Co-Inventor Count = 1.20
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. Byk-gardner Gmbh (3 from 61 patents)
3 patents:
1. 9506860 - Apparatus for the calibration of optical measuring instruments
2. 9417184 - Apparatus for the calibration of optical measuring instruments
3. 8749791 - Apparatus and method for measuring optical properties of transparent materials