Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6720091 | Polymeric fluorescent substance, polymeric fluorescent substance and polymer light-emitting device using the same | Toshihiro Ohnishi, Yoshiaki Tsubata, Masato Ueda, Shigeru Sasaki | 2004-04-13 |