Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D923705 | Ink cartridge for computer printer | Wataru Takahashi, Tatsuo Nanjo, Norihiro Ikebe, Kenta Udagawa | 2021-06-29 |
| 10994548 | Liquid reservoir container and liquid ejection apparatus | Kenta Udagawa, Tatsuo Nanjo, Hiroshi Koshikawa | 2021-05-04 |
| 10967643 | Liquid ejecting apparatus | Tatsuo Nanjo, Kenta Udagawa, Hiroshi Koshikawa | 2021-04-06 |