Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062412 | Water-based ink for ink-jet recording, ink cartridge and ink-jet recording apparatus | Michiko Aoyama, Kenta Hayashida, Mitsunori Maeda | 2011-11-22 |
| 7866808 | Ink set for ink-jet recording and method for producing tetracomposite black image | Kenta Hayashida, Kazuma Goto | 2011-01-11 |