Average Co-Inventor Count = 2.35
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. Oce Printing Systems Gmbh (2 from 315 patents)
2. Siemens Nixdorf Informationssysteme Aktiengesellschaft (1 from 189 patents)
3. Océ Printing Systems Gmbh (1 from 21 patents)
4 patents:
1. 6556804 - Printer or copier for simultaneously printing a supporting material on both sides
2. 6141523 - Electrographic printing device with opposite-lying printing units
3. 5845187 - Turn-over means for band-shaped recording media
4. 5568245 - Turnover device for web-shaped recording media