Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10966911 | Melanin decomposition inhibitor | Akira Hachiya, Naoki OYA, Kei Takano, Akiko Kawasaki, Keigo Kawabata | 2021-04-06 |
| 10793854 | Skin and hair color-controlling factor | Akira Hachiya | 2020-10-06 |
| 9592183 | Inhibitor of endothelin action and skin-whitening agent | Tsuyoshi Ohba, Mitsuru Sugiyama | 2017-03-14 |
| 9561167 | Skin and hair color-controlling factor | Akira Hachiya | 2017-02-07 |
| 9339454 | Skin whitening agent | Mamiko Kikuchi, Mitsuru Sugiyama, Akiko Kawasaki | 2016-05-17 |
| 8927517 | Factors controlling skin and hair color | Akira Hachiya | 2015-01-06 |