Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811897 | Ink for forming a hole injection layer of organic EL display devices and manufacturing method thereof, organic EL display devices, and manufacturing method of the same | Katsuyuki Naito, Naoko Kihara, Rei Hasegawa, Shintaro Enomoto, Yutaka Nakai +3 more | 2004-11-02 |
| 6798470 | Electrophoresis display | Hideyuki Nakao, Masayuki Oguchi | 2004-09-28 |