Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6902832 | Charge-transporting material containing diazapentacene derivative, luminescent material, and organic electroluminescent element employing these | Manabu Uchida, Guofang Wang, Takaharu Nakano, Kenji Furukawa, Masatoshi Kozaki | 2005-06-07 |
| 6812252 | Acylsulfonamide derivatives | Hiroshi Ikawa, Masato Nishimura, Takashi Nakamura, Kazuhiro Kojima, Hideki Kosono | 2004-11-02 |
| 6555584 | Acylsulfonamide derivative | Hiroshi Ikawa, Masato Nishimura, Takashi Nakamura | 2003-04-29 |