Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5468474 | N-acylglutamine derivatives and cosmetic compositions | Shinkichi Honda, Kenji Torii, Masaji Kasai, Hiromasa Kato, Takao Iida +4 more | 1995-11-21 |
| 5380359 | Cosmetics based on naturally derived melanin-coated pigments | Shinkichi Honda, Yoichiro Takekoshi | 1995-01-10 |
| 5112613 | Cosmetic composition | Shinkichi Honda, Hiroshi Toida | 1992-05-12 |