Average Co-Inventor Count = 2.40
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. Heidelberger Harris, Inc. (1 from 3 patents)
2 patents:
1. 6786150 - Printing press roll having auxiliary rotation capability
2. 5770852 - Plate scanning device having light funnels with an adjustable aperture