Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10494535 | Near-infrared absorbent dispersion, aqueous ink for ink jet recording, and aqueous ink set for ink jet recording | Kazuhiko Hirokawa, Yoshiro Yamashita | 2019-12-03 |
| 10407585 | Aqueous ink for ink jet recording, aqueous ink set for ink jet recording, and ink jet recording method | Yoshiro Yamashita, Takahiro Ishizuka, Kazuhiko Hirokawa, Shimpei Takagi | 2019-09-10 |
| 10343421 | Aqueous ink for ink jet recording, aqueous ink set for ink jet recording, and ink jet recording apparatus | Yoshiro Yamashita | 2019-07-09 |