Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825247 | Water-based ink and preparing method thereof | Hiroaki Ando, Hidetaka Ninomiya | 2004-11-30 |
| 6777463 | Particles containing a colorant and a water-based ink comprising polymer emulsion | Hiroaki Ando, Hidetaka Ninomiya | 2004-08-17 |