Average Co-Inventor Count = 4.80
ph-index = 10
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 (30 from 3,600 patents)
30 patents:
1. 6878378 - External skin care composition
2. 6746493 - Hair dye composition
3. 6689173 - Hair dye composition
4. 6648924 - Hair dye composition
5. 6623531 - Hair dye composition
6. 6616708 - Hair dye composition
7. 6616709 - Hair dye composition
8. 6607563 - Hair dye composition
9. 6605125 - Hair dye composition
10. 6592630 - Hair dye composition
11. 6547834 - Hair dye composition
12. 6475248 - Hair dye composition
13. 6451069 - Hair dye composition
14. 6329409 - Amine derivatives and skin preparations for external use containing the same
15. 6171595 - Skin external preparation