Average Co-Inventor Count = 2.73
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. Kao Corporation (3 from 3,600 patents)
2. Kao Kabushiki Kaisha (kao Corporation) (1 from 2 patents)
3. Koa Kabushiki Kaisha (kao Corporation) (1 from 1 patent)
5 patents:
1. 6607719 - Keratotic plug remover
2. 6306382 - Keratotic plug remover
3. D388533 - Beauty mask sheet for nose
4. D388534 - Beauty mask sheet for nose
5. 5512277 - Keratotic plug remover