Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11701309 | Cosmetic gel sheet and manufacturing method thereof | Ying-shu Quan, Fumio Kamiyama | 2023-07-18 |
| 11382843 | Alcogel sheet for cosmetic use, and method for producing same | Ying-shu Quan, Fumio Kamiyama | 2022-07-12 |
| 10849834 | Cosmetic gel sheet and manufacturing method thereof | Ying-shu Quan, Fumio Kamiyama | 2020-12-01 |
| 9855206 | Hyaluronic acid gel and manufacturing method thereof | Kunio Yoneto, Junya Hasegawa, Ying-shu Quan, Fumio Kamiyama | 2018-01-02 |