Average Co-Inventor Count = 2.40
ph-index = 3
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 Gmbh (3 from 756 patents)
3 patents:
1. D340296 - Flat multi-tube compact fluorescent lamp
2. D304502 - Compact fluorescent lamp
3. D304087 - Compact fluorescent lamp