Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12296038 | Topical composition containing ascorbic acid and/or salt thereof | Mariko Iwai, Sho Yamashina | 2025-05-13 |
| 12263239 | External composition containing ascorbic acid and/or salt thereof | Masatoshi Haga | 2025-04-01 |