Issued Patents 2025
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12377658 | Cap and cartridge unit | Tadahiro Mizutani, Yoshihiro Koizumi, Takumi Nagashima, Hiroto Hanba | 2025-08-05 |
| 12330424 | Cartridge and printing system | Takumi Nagashima, Yoshihiro Koizumi | 2025-06-17 |
| 12330426 | Cartridge | Takumi Nagashima, Yoshihiro Koizumi | 2025-06-17 |
| 12319065 | Ink refill container | Tadahiro Mizutani, Yoshihiro Koizumi, Taku Ishizawa, Tadashi Watanabe, Seigo MIYAZAWA | 2025-06-03 |
| 12311671 | Cartridge, printing system, and printing apparatus | Takumi Nagashima, Yoshihiro Koizumi | 2025-05-27 |
| 12240244 | Cartridge and printing system | Hiroto Hanba, Yoshihiro Koizumi, Takumi Nagashima | 2025-03-04 |
| D1061705 | Ink cartridge | Takumi Nagashima, Yoshihiro Koizumi, Tadahiro Mizutani, Hiroto Hanba | 2025-02-11 |