Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10759955 | Water-based ink for ink-jet recording | Hiroyuki Tanaka, Takefumi KAWAKAMI | 2020-09-01 |
| 10611921 | Water-based ink for ink-jet recording and ink container | Satoshi Okuda, Yuka Tsuzaka, Mitsunori Maeda | 2020-04-07 |
| 10604669 | Water-based ink for ink-jet recording and ink container | Yuka Tsuzaka, Satoshi Okuda, Mitsunori Maeda | 2020-03-31 |