Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878822 | Ethylene derivative having a nitrogen-containing 7-membered ring | — | 2005-04-12 |
| 6866795 | Ultraviolet-absorbing film containing a fluorescent brightening agent | Takashi Usami, Teruo Nagano, Katsuyoshi Yamakawa | 2005-03-15 |