Average Co-Inventor Count = 3.75
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. Siemens Aktiengesellschaft (1 from 30,052 patents)
2. U.S. Philips Corporation (1 from 14,087 patents)
2 patents:
1. 6297599 - Dielectric barrier discharge lamp with a segmented electrode
2. 5746051 - Device for detoxifying exhaust fumes from mobile equipment