Average Co-Inventor Count = 2.22
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. Guthy-renker Corporation (4 from 14 patents)
2. Guthy-ranker LLC Et Al. (1 from 1 patent)
5 patents:
1. 8252298 - Color cosmetic
2. D633625 - Facial tool
3. D623294 - Handheld skin care tool
4. D623295 - Handheld skin care tool
5. D608002 - Handheld skin care tool