TN

Takumi Nagashima

SE Seiko Epson: 51 patents #197 of 7,774Top 3%
Overall (All Time): #51,643 of 4,157,543Top 2%
51
Patents All Time

Issued Patents All Time

Showing 1–25 of 51 patents

Patent #TitleCo-InventorsDate
12377658 Cap and cartridge unit Tadahiro Mizutani, Yoshihiro Koizumi, Shun Oya, Hiroto Hanba 2025-08-05
12330426 Cartridge Yoshihiro Koizumi, Shun Oya 2025-06-17
12330424 Cartridge and printing system Yoshihiro Koizumi, Shun Oya 2025-06-17
12311671 Cartridge, printing system, and printing apparatus Yoshihiro Koizumi, Shun Oya 2025-05-27
12240244 Cartridge and printing system Hiroto Hanba, Yoshihiro Koizumi, Shun Oya 2025-03-04
D1061705 Ink cartridge Yoshihiro Koizumi, Tadahiro Mizutani, Shun Oya, Hiroto Hanba 2025-02-11
12172447 Ink replenishment container Tadahiro Mizutani, Yoshihiro Koizumi, Shun Oya, Tadashi Watanabe, Manabu Yamaguchi 2024-12-24
12138935 Bottle set and bottle Hitoshi Igarashi, Ryoichi Tanaka, Tadahiro Mizutani, Tomoyuki Nakano 2024-11-12
D1049218 Ink cartridge Yoshihiro Koizumi, Shun Oya, Wataru Suzuki 2024-10-29
11932022 Ink bottle and bottle set Taku Ishizawa, Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Koichi Toba +3 more 2024-03-19
11919315 Cartridge Tadahiro Mizutani, Yoshihiro Koizumi, Shun Oya 2024-03-05
D1016141 Ink cartridge Yoshihiro Koizumi, Shun Oya, Wataru Suzuki 2024-02-27
D1016139 Ink cartridge Yoshihiro Koizumi, Shun Oya 2024-02-27
11878535 Cartridge Yoshihiro Koizumi, Shun Oya 2024-01-23
11850865 Cartridge and printing system Shun Oya, Tadahiro Mizutani, Yoshihiro Koizumi 2023-12-26
11807015 Cartridge Yoshihiro Koizumi, Shun Oya, Hiroto Hanba 2023-11-07
11691427 Cartridge, printing device, and printing system Shun Oya, Yoshihiro Koizumi 2023-07-04
11691428 Bottle set and bottle Hitoshi Igarashi, Ryoichi Tanaka, Tadahiro Mizutani, Tomoyuki Nakano 2023-07-04
11673398 Cartridge, printing system, and printing device Shun Oya, Yoshihiro Koizumi 2023-06-13
11597207 Ink bottle and bottle set Taku Ishizawa, Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Koichi Toba +3 more 2023-03-07
11465419 Liquid container Noriyuki Fukasawa, Hiroyuki Kawate, Taku Ishizawa 2022-10-11
11427011 Manufacturing method of liquid storage body and restored liquid storage body Hiroyoshi Ozeki, Manabu Yamaguchi 2022-08-30
11192380 Ink bottle and bottle set Taku Ishizawa, Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Koichi Toba +3 more 2021-12-07
11179943 Liquid container, mounting body, and liquid ejecting apparatus Mao Otashiro, Tomoyuki MIYAZAWA 2021-11-23
11097549 Liquid container Hiroyuki Kawate, Yoshiaki Shimizu, Akihiro Toya, Tetsuya Takamoto, Tadahiro Mizutani +2 more 2021-08-24