Average Co-Inventor Count = 3.00
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. U.S. Philips Corporation (2 from 14,087 patents)
2 patents:
1. 6137230 - Metal halide lamp
2. 4956239 - Poly-1,2-azepine, method of producing a film of such a polymer on a