Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622555 | Process for the production of dis-azo pigment | Yoshio Muramatsu, Hitoshi Maki | 1997-04-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622555 | Process for the production of dis-azo pigment | Yoshio Muramatsu, Hitoshi Maki | 1997-04-22 |