Issued Patents 2003
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648924 | Hair dye composition | Kenichi Matsunaga, Yukihiro Ohashi, Shintaro Totoki, Yoshinori Saito | 2003-11-18 |
| 6623531 | Hair dye composition | Yukihiro Ohashi, Kenichi Matsunaga | 2003-09-23 |
| 6616708 | Hair dye composition | Yukihiro Ohashi, Kenichi Matsunaga | 2003-09-09 |
| 6616709 | Hair dye composition | Yukihiro Ohashi, Kenichi Matsunaga, Shintaro Totoki, Yoshinori Saito | 2003-09-09 |
| 6607563 | Hair dye composition | Yukihiro Ohashi, Kenichi Matsunaga, Shintaro Totoki, Yoshinori Saito | 2003-08-19 |
| 6605125 | Hair dye composition | Kenichi Matsunaga, Yukihiro Ohashi, Shintaro Totoki, Yoshinori Saito | 2003-08-12 |
| 6592630 | Hair dye composition | Kenichi Matsunaga, Yukihiro Ohashi | 2003-07-15 |
| 6569412 | Treatment composition for dyed hair | Masakazu Yamaguchi, Shintaro Totoki, Makoto Iijima | 2003-05-27 |
| 6547834 | Hair dye composition | Kenichi Matsunaga, Yukihiro Ohashi, Shintaro Totoki, Yoshinori Saito | 2003-04-15 |