Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409661 | Liquid discharge apparatus and control method thereof | Kei Kosaka | 2025-09-09 |
| 12304214 | Printing apparatus and ink quantity detection method thereof | Hirokazu Yoshikawa, Kei Kosaka | 2025-05-20 |