Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11167559 | Inkjet recording apparatus | Ryoma Arai, Toshiaki Tokisawa, Takashi Abe | 2021-11-09 |
| 11034159 | Inkjet recording apparatus and method of controlling the same | Tsuyoshi Saeki, Toshiaki Tokisawa | 2021-06-15 |
| 10994551 | Printing apparatus and a control method | Toshiaki Tokisawa, Yumi Mukoyama, Ryoma Arai | 2021-05-04 |