Average Co-Inventor Count = 1.25
ph-index = 4
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. (2 from 21,361 patents)
2. U.S. Philips Corporation (2 from 14,087 patents)
4 patents:
1. D907924 - Two-button toothbrush handle
2. D462338 - Subwoofer
3. D454844 - Television receiver
4. D450489 - Stand for television receiver