Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653778 | Fluorescent color conversion film, fluorescent color conversion filter using the conversion film, and organic light-emitting device equipped with the conversion filter | Yotaro Shiraishi | 2003-11-25 |
| 6627367 | Electrophotographic photoconductor | Hiroaki Yokouchi | 2003-09-30 |
| 6506506 | Fluorescent color conversion film, fluorescent color conversion filter using the same, and an organic light-emitting device equipped with this fluorescent color conversion filter | Yotaro Shiraishi | 2003-01-14 |