Issued Patents 2025
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12377658 | Cap and cartridge unit | Yoshihiro Koizumi, Shun Oya, Takumi Nagashima, Hiroto Hanba | 2025-08-05 |
| 12358297 | Printer | Yoshihiro Koizumi | 2025-07-15 |
| 12319065 | Ink refill container | Yoshihiro Koizumi, Taku Ishizawa, Shun Oya, Tadashi Watanabe, Seigo MIYAZAWA | 2025-06-03 |
| 12296600 | Ink refill container, ink refill system, and ink refill adapter | Ryoichi Tanaka, Manabu Akahane, Makoto Kobayashi, Naomi Kimura, Hideki Okumura +3 more | 2025-05-13 |
| 12280601 | Ink refill container and ink refill system | Taku Ishizawa, Noriyuki Fukasawa, Naomi Kimura, Shoma Kudo, Manabu Akahane | 2025-04-22 |
| 12240246 | Liquid holding member, cap, and cartridge | — | 2025-03-04 |
| D1061705 | Ink cartridge | Takumi Nagashima, Yoshihiro Koizumi, Shun Oya, Hiroto Hanba | 2025-02-11 |