Average Co-Inventor Count = 2.00
ph-index = 1
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. Miller-johannisberg Druckmaschinen Gmbh (2 from 13 patents)
2 patents:
1. 4964337 - Ink roller
2. 4448126 - Inker for printing presses