Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5707747 | Amine compound and electro-luminescence device comprising same | Masahiko Oshino, Ikuko Ihara, Naoko Nakanishi, Mutsumi Suzuki, Masao Fukuyama +2 more | 1998-01-13 |
| 5639914 | Tetraaryl benzidines | Masahiko Oshino, Ikuko Ihara, Naoko Nakanishi | 1997-06-17 |