Issued Patents 2025
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12377658 | Cap and cartridge unit | Tadahiro Mizutani, Yoshihiro Koizumi, Shun Oya, Hiroto Hanba | 2025-08-05 |
| 12330424 | Cartridge and printing system | Yoshihiro Koizumi, Shun Oya | 2025-06-17 |
| 12330426 | Cartridge | Yoshihiro Koizumi, Shun Oya | 2025-06-17 |
| 12311671 | Cartridge, printing system, and printing apparatus | Yoshihiro Koizumi, Shun Oya | 2025-05-27 |
| 12240244 | Cartridge and printing system | Hiroto Hanba, Yoshihiro Koizumi, Shun Oya | 2025-03-04 |
| D1061705 | Ink cartridge | Yoshihiro Koizumi, Tadahiro Mizutani, Shun Oya, Hiroto Hanba | 2025-02-11 |