Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6533823 | Dye composition for keratinous fibers | Masaki Fukuhara | 2003-03-18 |
| 6248314 | Hair dye composition having a particular buffer capacity and containing an alkylene carbonate | Nozomi Nagashima, Masahiko Sakai, Hajime Miyabe, Yutaka Shibata | 2001-06-19 |
| 6096099 | Hair dye composition comprising acid dyes | Naohiro Kariya, Nozomi Hagashima, Yutaka Shibata, Masahiko Sakai, Hajime Miyabe | 2000-08-01 |