Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4301049 | Method of producing an azo pigment suitable for use in a gravure printing ink and azo pigments produced thereby | Takenori Funatsu, Yoichi Inuzuka, Kosaku Tsuji | 1981-11-17 |