Average Co-Inventor Count = 4.00
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. Ritek Corporation (2 from 49 patents)
2 patents:
1. 6601964 - Lamp having a readable disk with an electro-luminescent element
2. 6561671 - Case with vibration-activated light emitting indication apparatus