Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025702 | Two-part hairdye composition | Hiroyuki Fujinuma, Takashi Matsuo, Masahiko Ogawa, Kazuhiro Okada, Tomohito Koshika | 2011-09-27 |
| 8021439 | Two-part hair dye | Takashi Matsuo | 2011-09-20 |
| 8002848 | Two-part hair dye | — | 2011-08-23 |
| 7972389 | Second part composition for hair dyeing or bleaching | Kenichi Matsunaga, Takashi Matsuo | 2011-07-05 |
| 7938864 | Two-part hair dye | Takashi Matsuo | 2011-05-10 |