Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5256772 | Monoazo lake pigment and uses thereof | — | 1993-10-26 |
| 5248335 | Pigment composition and its use | — | 1993-09-28 |
| 4810302 | Azo pigment composition | Takenori Funatsu, Mikio Hayashi | 1989-03-07 |