Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6416771 | Moisturizing composition, base containing the same, and cosmetic or external preparation containing the moisturizing composition | Keiichi Oyama, Toshie Narita, Masaaki Fujisawa, Naoko Tsuchiya | 2002-07-09 |
| 6117434 | Humectant composition, base containing the same, and cosmetic material or external preparation containing said humectant composition | Keiichi Oyama, Toshie Narita, Masaaki Fujisawa, Naoko Tsuchiya | 2000-09-12 |