Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8889762 | Dye ink for ink-jet recording, ink set including the same, ink-jet recording apparatus, and ink-jet recording method | Yuko Iwamura, Hitomi Sadohara | 2014-11-18 |
| 8668769 | Water-based ink for ink-jet recording, ink-jet recording method and ink-jet recording apparatus | — | 2014-03-11 |
| 8616698 | Method for evaluating pigment ink for ink-jet recording and method for producing pigment ink for ink-jet recording | Hitomi Sadohara, Hiromitsu Sago, Yuko Iwamura | 2013-12-31 |
| 8460449 | Water-based ink set for ink jet recording, ink cartridge, and ink-jet recording apparatus | Kazuma Goto, Kenta Hayashida, Mitsunori Maeda | 2013-06-11 |