Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824891 | Light-emitting device and material therefor | Hisashi Okada, Toshihiro Ise, Toshiki Taguchi | 2004-11-30 |
| 6818325 | Light-emitting device | Hisashi Okada, Katsumi Araki, Xuepeng Qiu, Toshihiro Ise | 2004-11-16 |