Average Co-Inventor Count = 1.67
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. 5420662 - Printer or copier with an arrangement for printing both sides of a
2. 5408302 - Printing or copying machine with a belt-type transfer element with