Average Co-Inventor Count = 3.00
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. (1 from 21,376 patents)
2. Philips Electronics North America Corporation (1 from 838 patents)
2 patents:
1. 6522068 - Fluorescent lamp, and method of manufacturing same
2. 6211618 - Arc discharge lamp with bimetal strip for fast passive lamp failure