Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7896931 | Hair dye composition | Masakazu Yamaguchi, Masaaki Tsukase, Yasuhiro Ishiwata | 2011-03-01 |
| 7892293 | Hair dye composition | — | 2011-02-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7896931 | Hair dye composition | Masakazu Yamaguchi, Masaaki Tsukase, Yasuhiro Ishiwata | 2011-03-01 |
| 7892293 | Hair dye composition | — | 2011-02-22 |