Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8563552 | Whitening agent and skin external preparation | Naoto Hanyu, Tomoko Saito, Takako Shibata, Kiyoshi Sato | 2013-10-22 |
| 8426435 | Method for inhibiting melanin production and whitening skin with pyrimidlypyrazole compounds or pharmaceutically acceptable salts thereof | Naoto Hanyu, Tomoko Saito, Takako Shibata, Kiyoshi Sato | 2013-04-23 |
| 8324234 | Method for inhibiting melanin production and whitening skin with pyrimidylpyrazole compounds or pharmaceutically acceptable salts thereof | Naoto Hanyu, Tomoko Saito, Takako Shibata, Kiyoshi Sato | 2012-12-04 |
| 8211412 | Method for skin whitening | Naota Hanyu, Tomoko Saito, Takako Shibata, Kiyoshi Sato | 2012-07-03 |