Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5378244 | 2-alkoxy-3,5-diaminopyridine derivatives and their salts, and dye compositions for keratinous fibers containing the derivatives or salts | Tadashi Tamura, Akira Kiyomine, Osamu Morita, Masahiko Ogawa, Hidetoshi Tagami +1 more | 1995-01-03 |
| 5082467 | Dye composition for keratinous fibers | Tadashi Tamura, Akira Kiyomine, Yoshinori Nishizawa, Hidetoshi Tagami, Masahiko Ogawa +3 more | 1992-01-21 |