Average Co-Inventor Count = 4.20
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. Ritek Corporation (2 from 49 patents)
2 patents:
1. 6838019 - Phosphorescent material and electroluminescent device using thereof
2. 6689872 - Dye for optical recording medium