Average Co-Inventor Count = 2.00
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. Clairol Incorporated (2 from 283 patents)
2 patents:
1. 4915935 - Process for applying reflective particles to hair
2. 4566876 - Meta-phenylenediamine coupler compounds and oxidative hair dye