Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11167556 | Ink tank and ink jet printing apparatus | Koki Shimada, Hideaki Matsumura, Masaya Shimmachi, Yukimichi Kimura, Junichi Kubokawa +2 more | 2021-11-09 |
| 11141979 | Inkjet printing apparatus and treatment liquid holding unit | Hiroshi Nakai, Noriko Sato | 2021-10-12 |
| 11130341 | Liquid ejection apparatus and maintenance apparatus | Hiroshi Nakai, Noriko Sato, Yoshinori Yamaguchi, Yuki Amauchi, Takashi Sasaki | 2021-09-28 |
| 10919291 | Printing apparatus and control method of printing apparatus | Atsushi Kohnotoh, Noboru Shimoyama | 2021-02-16 |
| 10894416 | Inkjet printing apparatus and ink filling method | Hiroshi Nakai, Noriko Sato, Takashi Sasaki | 2021-01-19 |