Average Co-Inventor Count = 2.14
ph-index = 5
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. (5 from 1,452 patents)
5 patents:
1. D514237 - Lamp bulb with recessed lens
2. D508575 - Tungsten halogen lamp
3. D505738 - Lamp bulb with recessed lens
4. D487940 - Lamp bulb with recessed lens
5. D482143 - Lamp bulb with recessed lens