Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6746493 | Hair dye composition | Kenichi Matsunaga, Yukihiro Ohashi, Shintaro Totoki, Yoshinori Saito | 2004-06-08 |
| 6689173 | Hair dye composition | Yukihiro Ohashi, Kenichi Matsunaga, Shintaro Totoki, Yoshinori Saito | 2004-02-10 |