Average Co-Inventor Count = 2.86
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. Gte Products Corporation (2 from 1,770 patents)
2. Gte Sylvania Incorporated (2 from 605 patents)
2 patents:
1. 5150017 - High pressure sodium discharge lamp
2. 5111108 - Vapor discharge device with electron emissive material