Average Co-Inventor Count = 4.44
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. Ngk Insulators, Inc. (1 from 4,916 patents)
2. Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen Mbh (1 from 391 patents)
3. Osram Gesellschaft MIT Beschrankter Haftung (1 from 95 patents)
4. Osram Ag (211 patents)
2 patents:
1. 7874697 - Lamp
2. 5637960 - Ceramic discharge vessel for a high-pressure discharge lamp, having a