Average Co-Inventor Count = 1.33
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. Ab Ziristor (2 from 27 patents)
2 patents:
1. 4081944 - Arrangement for the reading of photocell markings on a material web
2. 4055035 - Method and an arrangement for the purification of air in packing machines