Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7753966 | Hair dye stabilizer | Kazuki Sugiyama, Kyoko Hirano, Kunihide Hoshino, Takashi Aida | 2010-07-13 |
| 7399318 | Stable composition for hair dye | Kazuki Sugiyama, Yasuko Matsumura, Kunihide Hoshino, Takashi Aida | 2008-07-15 |