Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454966 | Fluorescent conversion filter and organic light emitting element including the same | Yotaro Shiraishi, Koji Kawaguchi | 2002-09-24 |
| 6358652 | Fluorescent conversion filter and organic light-emitting device equipped with the fluorescent conversion filter | Yoshimasa Tomiuchi, Yotaro Shiraishi | 2002-03-19 |