Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4710375 | Stick cosmetics containing coated pearlescent pigments | Yutaka Takasuka, Akiko Kawaguchi | 1987-12-01 |
| 4648908 | Coated pigment and cosmetic materials comprising the same | Yutaka Takasuka, Akiko Kawaguchi | 1987-03-10 |