YK

Yoshihiro Koizumi

SE Seiko Epson: 8 patents #6 of 926Top 1%
Overall (2025): #8,303 of 469,880Top 2%
8
Patents 2025

Issued Patents 2025

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12377658 Cap and cartridge unit Tadahiro Mizutani, Shun Oya, Takumi Nagashima, Hiroto Hanba 2025-08-05
12358297 Printer Tadahiro Mizutani 2025-07-15
12330424 Cartridge and printing system Takumi Nagashima, Shun Oya 2025-06-17
12330426 Cartridge Takumi Nagashima, Shun Oya 2025-06-17
12319065 Ink refill container Tadahiro Mizutani, Taku Ishizawa, Shun Oya, Tadashi Watanabe, Seigo MIYAZAWA 2025-06-03
12311671 Cartridge, printing system, and printing apparatus Takumi Nagashima, Shun Oya 2025-05-27
12240244 Cartridge and printing system Hiroto Hanba, Shun Oya, Takumi Nagashima 2025-03-04
D1061705 Ink cartridge Takumi Nagashima, Tadahiro Mizutani, Shun Oya, Hiroto Hanba 2025-02-11