Average Co-Inventor Count = 3.43
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. Siemens Nixdorf Informationssysteme Aktiengesellschaft (2 from 189 patents)
2 patents:
1. 5547299 - Device for the exact positioning of a printing head in relation to a
2. 5478163 - Method for guiding a document in a document-processing unit