Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10738019 | Compound including basic dye and amino acid, hair dyeing dye, and hair dyeing composition | Keigo Naito, Shigetaka Numazawa, Katsumi Abe | 2020-08-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10738019 | Compound including basic dye and amino acid, hair dyeing dye, and hair dyeing composition | Keigo Naito, Shigetaka Numazawa, Katsumi Abe | 2020-08-11 |