Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475248 | Hair dye composition | Yukihiro Ohashi, Kenichi Matsunaga, Shintaro Totoki, Yoshinori Saito | 2002-11-05 |
| 6451069 | Hair dye composition | Kenichi Matsunaga, Yukihiro Ohashi | 2002-09-17 |