Average Co-Inventor Count = 10.00
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. Deutsche Thomson-brandt Gmbh (1 from 538 patents)
1 patent:
1. 5917671 - Recording method and information medium for a plurality of longitudinal