Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4584190 | Novel chalcone derivatives and ultraviolet absorbers comprising the same | Koichi Nakamura, Michihiro Hattori, Shinichi Masuda, Genji Imokawa, Naotake Takaishi | 1986-04-22 |