Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12319065 | Ink refill container | Tadahiro Mizutani, Yoshihiro Koizumi, Shun Oya, Tadashi Watanabe, Seigo MIYAZAWA | 2025-06-03 |
| 12280601 | Ink refill container and ink refill system | Tadahiro Mizutani, Noriyuki Fukasawa, Naomi Kimura, Shoma Kudo, Manabu Akahane | 2025-04-22 |