Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459199 | Multicolor organic EL element having plurality of organic dyes, method of manufacturing the same, and display using the same | Junji Kido, Takashi Takeda | 2002-10-01 |
| 6114546 | Aminomethylene derivatives and ultraviolet absorbent comprising thereof | Heinosuke Yasuda | 2000-09-05 |