Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |