Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5783601 | External skin-care composition | Masanori Tanahashi, Takahide Minami, Yukihiro Ohashi, Shinya Amano | 1998-07-21 |
| 5780047 | Patch | Tetsuro Kamiya, Keiko Morioka, Hidenori Yorozu, Michitaka Sawada, Masaki Iwasaki | 1998-07-14 |
| 5780418 | Bathing preparation | Katsuhiko Takeuchi, Tetsuro Kamiya, Hidenori Yorozu | 1998-07-14 |
| 5371296 | 4,4-dimethyl-1-phenylpentane-1,3-dione derivative and UV ray absorbent and cosmetic containing the same | Masakazu Yamaguchi, Akira Kawamata, Genji Imokawa | 1994-12-06 |
| 5191121 | Aroyl ketone derivative, UV ray absorber comprising the same, and cosmetic composition containing the same | Shinji Yamada, Akira Kawamata, Genji Imokawa, Shinichi Masuda, Masakazu Yamaguchi +1 more | 1993-03-02 |