Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6984461 | Blue electroluminescent polymer and organic-electroluminescent device using the same | Jhun-Mo Son, Sang-Hoon Park, Jeong-Yeol Lee, Woon-jung Beek | 2006-01-10 |
| 5766749 | Foam-expanded material | Hideo Kakinoki | 1998-06-16 |
| 5652067 | Organic electroluminescent device | Yuichi Ito, Noritoshi Tomikawa, Takao Minato, Mitsunori Sugihara | 1997-07-29 |