Average Co-Inventor Count = 2.40
ph-index = 2
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. E.c.h. Will Gmbh (2 from 40 patents)
2 patents:
1. 5417535 - Method of and apparatus for making books, brochures and the like
2. 5295775 - Method of and apparatus for making books