Average Co-Inventor Count = 2.91
ph-index = 5
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. Kao Corporation (6 from 3,600 patents)
6 patents:
1. 8807127 - Steam-generating warming article
2. 8357189 - Physiology enhancing device
3. 8333793 - Heat and steam generator for eye application
4. 7652228 - Steam-generating warming article
5. 6823860 - Steam-generating heating sheet for the eyes
6. 6409746 - Eye pillow