Average Co-Inventor Count = 3.00
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. Fujitsu Corporation (2 from 39,230 patents)
2 patents:
1. 6294881 - Discharging tube with piezoelectric substrate
2. 6057653 - Discharging tube with voltage raising unit and discharging unit and