Issued Patents 2024
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11938739 | Ink refill container, ink refill system, and ink refill adapter | Tadahiro Mizutani, Ryoichi Tanaka, Makoto Kobayashi, Naomi Kimura, Hideki Okumura +3 more | 2024-03-26 |
| 11932022 | Ink bottle and bottle set | Taku Ishizawa, Tadahiro Mizutani, Ryoichi Tanaka, Koichi Toba, Takumi Nagashima +3 more | 2024-03-19 |
| 11926162 | Ink refill container and ink refill system | Tadahiro Mizutani, Taku Ishizawa, Noriyuki Fukasawa, Naomi Kimura, Shoma Kudo | 2024-03-12 |