Average Co-Inventor Count = 1.50
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. Dr. Ing. Rudolf Hell Gmbh (3 from 140 patents)
3 patents:
1. 4849822 - Method and apparatus for electronic page combination for reproduction
2. 4419691 - Method for the improved reproduction of image in reproduction technology
3. 4276567 - Recording line elements