Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12296600 | Ink refill container, ink refill system, and ink refill adapter | Tadahiro Mizutani, Ryoichi Tanaka, Makoto Kobayashi, Naomi Kimura, Hideki Okumura +3 more | 2025-05-13 |
| 12280601 | Ink refill container and ink refill system | Tadahiro Mizutani, Taku Ishizawa, Noriyuki Fukasawa, Naomi Kimura, Shoma Kudo | 2025-04-22 |