Average Co-Inventor Count = 3.00
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. 5320437 - Printer with a printer housing divided in the plane of the print carrier
2. 5316107 - Device for checking out goods