Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10717888 | Ink composition, ink set, recording method, and ink jet recording apparatus | Ryosuke Teramoto, Kiyomi Kumamoto, Tetsuya Aoyama, Tomohiro Aruga, Kazuma Tsutsumi | 2020-07-21 |
| 10618310 | Ink jet recording ink set and ink jet recording method | Kiyomi Kumamoto | 2020-04-14 |