Average Co-Inventor Count = 4.27
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. General Electric Company (4 from 51,873 patents)
2. Tungsram Co., Ltd. (1 from 3 patents)
4 patents:
1. 5807121 - Junction component for connecting the electrical leads of a printed
2. 5691598 - Fluorescent lamp with thermal heat shield between lamp tube and ballast
3. D354146 - Fluorescent reflector lamp
4. 5345142 - Single-ended low-pressure discharge lamp