Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6338854 | Photoaging skin-care preparation and method of treating wrinkled skin | Katsuo Matsumoto, Norio Fujiwara, Yasutomo Nishimori, Yukiko Kenjo | 2002-01-15 |
| 6207711 | Photoaging inhibitor and skin-care preparation | Katsuo Matsumoto, Norio Fujiwara, Yasutomo Nishimori, Yukiko Kenjo | 2001-03-27 |