Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12263239 | External composition containing ascorbic acid and/or salt thereof | Yu Kitaoka | 2025-04-01 |
| 11166938 | External composition containing ascorbic acid and/or salts thereof | Yuya Hayashi | 2021-11-09 |
| 10835572 | Composition for external application | Keiko Oyamada, Rumi Matsushita, Yuya Hayashi, Kyoko Nakajima, Yuko Kouda | 2020-11-17 |