Average Co-Inventor Count = 2.00
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. Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen Mbh (1 from 391 patents)
1 patent:
1. 5900700 - Process and circuit arrangement for operating cold cathode discharge