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 Sylvania Inc. (4 from 1,452 patents)
2. Osram Gmbh (756 patents)
4 patents:
1. 7637649 - Reversible lamp
2. 7541726 - Lamp filament
3. 7033239 - Fluorescent lamp and method for attaching a base member to an end of same
4. 6794811 - Fluorescent lamp and method for attaching a base member to an end of same