Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9580617 | Water-based ink for ink-jet recording, ink cartridge and method for producing water-based ink for ink-jet recording | Hiroyuki Tanaka | 2017-02-28 |
| 9540530 | Water-based ink for ink-jet recording, ink cartridge and ink-jet recording apparatus | Mitsunori Maeda | 2017-01-10 |