Average Co-Inventor Count = 2.00
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. Osram Sylvania Inc. (2 from 1,452 patents)
2 patents:
1. 6086227 - Lamp with faceted reflector and spiral lens
2. D398407 - Electric par lamp