Average Co-Inventor Count = 3.00
ph-index = 3
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. Oce Printing Systems Gmbh (1 from 315 patents)
3 patents:
1. 5930563 - Developer station with a plurality of adjacent developer chambers
2. 5790924 - Multi-functional printer device having modular structure
3. 5778297 - Multi-functional printer device for printing tape-shaped recording media