Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6864032 | Method for forming azo colorant using diazo compound and coupler having leaving group and recording material using the coupler | Hisao Yamada, Kazunori Nigorikawa | 2005-03-08 |