Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7858799 | Ionic organic compound | Masaru Yoshida, Nagatoshi Koumura, Nobuyuki Tamaoki, Hajime Kawanami, Hajime Matsumoto +1 more | 2010-12-28 |
| 5858538 | Composite luminescent material | Ching-ju Wen | 1999-01-12 |