Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315022 | Silicone type cinnamic acid derivative, preparation method thereof, UV-ray absorber, and external skin treatment agent | Masashi Yoshida, Keiichi Uehara, Tomiyuki Nanba | 1994-05-24 |