Average Co-Inventor Count = 1.60
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. Nokia Graetz (2 from 17 patents)
2 patents:
1. 4891549 - Electron gun system
2. 4843278 - In-line gun system for a color picture tube