Average Co-Inventor Count = 1.50
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. Heidelberger Druckmaschinen Ag (2 from 2,544 patents)
2 patents:
1. 5721410 - Safety device on a printing press
2. 4744472 - Pile table for small offset printing machines