Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5286702 | Phthalide compound and recording material using the compound | Yutaka Muraki, Hajime Kawai, Katsuhiko Tsunemitsu | 1994-02-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5286702 | Phthalide compound and recording material using the compound | Yutaka Muraki, Hajime Kawai, Katsuhiko Tsunemitsu | 1994-02-15 |