Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5387264 | Method for dyeing or coloring organic macromolecular substance by using coumarin compound or coloring material | Yasuo Murakami, Ryuzo Orita, Masao Ohnishi | 1995-02-07 |