Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5131912 | 2-part hair dyeing agent | Masashi Ehara | 1992-07-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5131912 | 2-part hair dyeing agent | Masashi Ehara | 1992-07-21 |