Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7718635 | Triterpenic acid derivative and preparation for external application for skin comprising the same | Kenichi Goto, Yoshihiro Tokudome, Shigenari Hirokawa | 2010-05-18 |
| 4636525 | Polyglycerol compounds and cosmetic products containing the same | Hiromichi Sagitani | 1987-01-13 |
| 4595537 | Polyglycerol compounds and cosmetic products containing the same | Hiromichi Sagitani | 1986-06-17 |
| 4250193 | Cosmetics | Noriaki Tonooka, Kenkichi Matubara | 1981-02-10 |