Average Co-Inventor Count = 2.86
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. Koninklijke Philips Corporation N.V. (1 from 21,384 patents)
2. Lumileds Holding B.v. (1 from 64 patents)
2 patents:
1. D840304 - Automotive air purifier
2. D804003 - Automotive air purifier