Average Co-Inventor Count = 3.60
ph-index = 1
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. Koninklijke Philips Corporation N.V. (3 from 21,402 patents)
3 patents:
1. 7846859 - Amber glass
2. 7518314 - Red-colored electric lamp
3. 7501368 - Glass composition for blue lamp bulbs and use of a composition for forming an automotive bulb