Average Co-Inventor Count = 2.25
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. Dr. Johannes Heidenhain Gmbh (2 from 801 patents)
2. Optolab Licensing Gmbh (1 from 4 patents)
3 patents:
1. 6662131 - Method and device for conditioning a periodic analog signal
2. 6528779 - Optoelectronic module
3. 6437323 - Optoelectronic path-, angle- or rotation-measuring device