Average Co-Inventor Count = 4.29
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. Ngk Insulators, Inc. (3 from 4,920 patents)
3 patents:
1. 7088049 - Electron-emitting device and field emission display using the same
2. 6946800 - Electron emitter, method of driving electron emitter, display and method of driving display
3. 6936972 - Electron-emitting element and field emission display using the same