Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12145359 | Liquid ejection apparatus and control method | Yoshihiro Hamada, Tomoki Ishiwata, Keiji Tomizawa | 2024-11-19 |
| 12053979 | Liquid ejection apparatus and control method | Keiji Tomizawa, Tomoki Ishiwata | 2024-08-06 |