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. Thomson Tubes Electroniques (1 from 83 patents)
2. Petitjean Sas (0 patent)
1 patent:
1. 5712529 - Vacuum electronic tube with getter support structure