Average Co-Inventor Count = 2.00
ph-index = 3
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 (3 from 283 patents)
3 patents:
1. 4570616 - Vibrator massager using beat frequency
2. 4567904 - Hair grasping structure
3. 4396011 - Heating pad