Issued Patents 2024
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12172447 | Ink replenishment container | Yoshihiro Koizumi, Shun Oya, Takumi Nagashima, Tadashi Watanabe, Manabu Yamaguchi | 2024-12-24 |
| 12138935 | Bottle set and bottle | Takumi Nagashima, Hitoshi Igarashi, Ryoichi Tanaka, Tomoyuki Nakano | 2024-11-12 |
| 12103312 | Ink replenishment container | Yoshihiro Koizumi, Taku Ishizawa, Tadashi Watanabe | 2024-10-01 |
| 11938739 | Ink refill container, ink refill system, and ink refill adapter | Ryoichi Tanaka, Manabu Akahane, Makoto Kobayashi, Naomi Kimura, Hideki Okumura +3 more | 2024-03-26 |
| 11932022 | Ink bottle and bottle set | Taku Ishizawa, Ryoichi Tanaka, Manabu Akahane, Koichi Toba, Takumi Nagashima +3 more | 2024-03-19 |
| 11926162 | Ink refill container and ink refill system | Taku Ishizawa, Noriyuki Fukasawa, Naomi Kimura, Shoma Kudo, Manabu Akahane | 2024-03-12 |
| 11919315 | Cartridge | Yoshihiro Koizumi, Shun Oya, Takumi Nagashima | 2024-03-05 |