Average Co-Inventor Count = 1.29
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. Other (1 from 832,718 patents)
2. Wagner Electric Corporation (1 from 83 patents)
3. Edison International, Inc. (1 from 19 patents)
3 patents:
1. 4367433 - Self ballasted lamp for automotive, aircraft runway, etc. lighting
2. 4363994 - Halogen lamp with strap-type bulb support mechanism
3. 4297611 - Control of tungsten filament erosion in a halogen lamp