Issued Patents 2024
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12138935 | Bottle set and bottle | Takumi Nagashima, Hitoshi Igarashi, Tadahiro Mizutani, Tomoyuki Nakano | 2024-11-12 |
| 11938739 | Ink refill container, ink refill system, and ink refill adapter | Tadahiro Mizutani, Manabu Akahane, Makoto Kobayashi, Naomi Kimura, Hideki Okumura +3 more | 2024-03-26 |
| 11932022 | Ink bottle and bottle set | Taku Ishizawa, Tadahiro Mizutani, Manabu Akahane, Koichi Toba, Takumi Nagashima +3 more | 2024-03-19 |
| 11879277 | Inside handle device | Saeko Tatemichi, Ryuji Minemura | 2024-01-23 |